Memento Deck Breakdown
Main Deck
Bystial Druiswurm
ATK:
2500
DEF:
2000
You can target 1 LIGHT or DARK monster in either GY; banish it, and if you do, Special Summon this card from your hand. This is a Quick Effect if your opponent controls a monster. If this card is sent from the field to the GY: You can target 1 Special Summoned monster your opponent controls; send it to the GY. You can only use each effect of "Bystial Druiswurm" once per turn.
Bystial Magnamhut
ATK:
2500
DEF:
2000
You can target 1 LIGHT or DARK monster in either GY; banish it, and if you do, Special Summon this card from your hand. This is a Quick Effect if your opponent controls a monster. If this card is Special Summoned: You can activate this effect; during the End Phase of this turn, add 1 Dragon monster from your Deck or GY to your hand, except "Bystial Magnamhut". You can only use each effect of "Bystial Magnamhut" once per turn.
Bystial Saronir
ATK:
2500
DEF:
2000
You can target 1 LIGHT or DARK monster in either GY; banish it, and if you do, Special Summon this card from your hand. This is a Quick Effect if your opponent controls a monster. If this card is sent to the GY: You can send 1 "Bystial" monster or 1 "Branded" Spell/Trap from your Deck to the GY, except "Bystial Saronir". You can only use each effect of "Bystial Saronir" once per turn.
Mementoal Tecuhtlica - Combined Creation
ATK:
5000
DEF:
5000
Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand or GY) by shuffling 5 other "Memento" monsters with different names from your hand and/or GY into the Deck/Extra Deck. While you control no other monsters, this card can attack all monsters your opponent controls, once each. Once per turn, if your opponent activates a card or effect (except during the Damage Step): You can Special Summon 1 "Memento" monster from your hand or GY.
Mementotlan Angwitch
ATK:
800
DEF:
1000
If this card is Normal or Special Summoned: You can add 1 "Memento" monster from your Deck to your hand, except "Mementotlan Angwitch". You can target 1 Level 2 or lower "Memento" monster in your GY; destroy 1 "Memento" monster you control, and if you do, Special Summon the targeted monster. You can only use each effect of "Mementotlan Angwitch" once per turn.
Mementotlan Dark Blade
ATK:
1800
DEF:
1500
If this card is Normal or Special Summoned: You can discard 1 "Memento" card, then target 1 Spell/Trap your opponent controls; destroy it. During your Main Phase: You can destroy 1 "Memento" monster you control, and if you do, Special Summon 1 Level 3 or lower "Memento" monster from your Deck. You can only use each effect of "Mementotlan Dark Blade" once per turn.
Mementotlan Ghattic
ATK:
550
DEF:
400
If this card is Normal or Special Summoned: You can target 1 "Memento" card in your GY, except "Mementotlan Ghattic"; add it to your hand. If this card is sent to the GY by a "Memento" monster's effect: You can Special Summon this card. You can only use each effect of "Mementotlan Ghattic" once per turn.
Mementotlan Goblin
ATK:
400
DEF:
400
During the Main Phase, if you control "Mementoal Tecuhtlica - Combined Creation" (Quick Effect): You can discard this card; for the rest of this turn, your opponent cannot target "Memento" monsters you control with card effects. During your Main Phase: You can destroy 1 "Memento" monster you control, and if you do, send up to 2 "Memento" cards with different names from each other from your Deck to the GY, except "Mementotlan Goblin". You can only use each effect of "Mementotlan Goblin" once per turn.
Mementotlan Mace
ATK:
400
DEF:
300
During your opponent's Main Phase, if you control "Mementoal Tecuhtlica - Combined Creation" (Quick Effect): You can discard this card, then target 1 face-up monster your opponent controls; take control of it until the End Phase. During your Main Phase: You can destroy 1 "Memento" monster you control, and if you do, add 1 "Memento" card from your Deck to your hand, except "Mementotlan Mace". You can only use each effect of "Mementotlan Mace" once per turn.
Mementotlan Tatsunootoshigo
ATK:
1350
DEF:
1600
If you do not control any face-up monsters, other than "Memento" monsters: You can Special Summon this card from your hand. During your Main Phase: You can destroy 1 "Memento" monster you control, and send any number of "Memento" monster(s) (with different names) from your Deck to the GY whose total Levels are less than or equal to the destroyed monster's original Level. You can only use each effect of "Mementotlan Tatsunootoshigo" once per turn.
Mementotlan-Horned Dragon
ATK:
2850
DEF:
2350
If you have 3 or more "Memento" monsters with different names in your GY, you can Special Summon this card (from your hand). You can only Special Summon "Mementotlan-Horned Dragon" once per turn this way. If this card on the field is destroyed by card effect: You can target 3 face-up cards on the field, including a "Memento" card you control; destroy them. You can only use this effect of "Mementotlan-Horned Dragon" once per turn.
The Bystial Lubellion
ATK:
2500
DEF:
3000
Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand or GY) by Tributing 1 Level 6 or higher DARK Dragon monster. You can only Special Summon "The Bystial Lubellion" once per turn this way. You can send this card from your hand to the GY; add 1 "Bystial" monster from your Deck to your hand, except "The Bystial Lubellion". During your Main Phase: You can place 1 "Branded" Continuous Spell/Trap from your Deck face-up on your field. You can only use each effect of "The Bystial Lubellion" once per turn.
Branded Regained
If a LIGHT or DARK monster(s) is banished (except during the Damage Step): You can target 1 of those monsters; place that monster on the bottom of the Deck, and if you do, draw 1 card. You can only use this effect of "Branded Regained" once per turn. Once per turn, if your opponent Normal or Special Summons a monster (except during the Damage Step): You can target 1 "Bystial" monster in your GY; Special Summon it. You can only activate this effect of "Branded Regained" once per Chain.
Mementomictlan
If your "Memento" monster battles, your opponent cannot activate any Spell/Trap Cards until the end of the Damage Step. If a monster(s) you control is destroyed by battle or card effect: You can target 1 of those monsters; Special Summon 1 "Memento" monster with a lower Level from your hand or GY. You can only use this effect of "Mementomictlan" once per turn. Once per turn, during your End Phase: You can target 1 "Memento" Spell/Trap in your GY; Set it.
Mementotlan Bone Party
Destroy 1 "Memento" monster in your hand or face-up field, take 1 "Memento" monster from your Deck with a different name, and either add it to your hand or Special Summon it in Defense Position. During your Main Phase: You can banish this card from your GY, then target 1 "Memento" monster you control; if it attacks a Defense Position monster this turn, inflict piercing battle damage to your opponent. You can only use each effect of "Mementotlan Bone Party" once per turn.
Mementotlan Fusion
During the Main Phase: Fusion Summon 1 Fusion Monster from your Extra Deck, using monsters from your hand or field as material, including a "Memento" monster. If a monster(s) in your possession was destroyed by card effect this turn, you can also shuffle "Memento" monsters from your GY into the Deck as material. During your Main Phase: You can banish this card from your GY; destroy 1 monster you control, and if you do, add 1 "Memento" Spell/Trap from your Deck to your hand. You can only use each effect of "Mementotlan Fusion" once per turn.
Branded Beast
Once per turn, during the Main Phase, if you control a "Bystial" monster: You can Tribute 1 Dragon monster, then target 1 card your opponent controls; destroy it. During the End Phase: You can target 1 "Branded" Continuous Spell/Trap in your GY; place it face-up on your field. You can only use this effect of "Branded Beast" once per turn.
Infinite Impermanence
Target 1 face-up monster your opponent controls; negate its effects (until the end of this turn), then, if this card was Set before activation and is on the field at resolution, for the rest of this turn all other Spell/Trap effects in this column are negated. If you control no cards, you can activate this card from your hand.
Mementotlan Cranium Burst
While you control a "Memento" monster, your opponent's monsters that can attack must attack the "Memento" monster you control with the highest ATK (their choice, if tied). When your opponent activates a monster effect on the field (except during the Damage Step): You can target 1 "Mementoal Tecuhtlica - Combined Creation" you control; it loses exactly 1000 ATK/DEF, and if it does, negate that activated effect. You can only activate this effect of "Mementotlan Cranium Burst" once per Chain.
Mementotlan Fracture Dance
If you control a "Memento" monster: Target 1 card on the field; destroy it, then, if you control "Mementoal Tecuhtlica - Combined Creation", you can destroy 1 more card on the field. When an attack is declared involving your "Memento" monster and an opponent's monster: You can banish this card from your GY; all monsters your opponent currently controls lose 1000 ATK until the end of this turn. You can only use each effect of "Mementotlan Fracture Dance" once per turn.
Main: 41
Bystial Druiswurm
ATK:
2500
DEF:
2000
You can target 1 LIGHT or DARK monster in either GY; banish it, and if you do, Special Summon this card from your hand. This is a Quick Effect if your opponent controls a monster. If this card is sent from the field to the GY: You can target 1 Special Summoned monster your opponent controls; send it to the GY. You can only use each effect of "Bystial Druiswurm" once per turn.
Bystial Magnamhut
ATK:
2500
DEF:
2000
You can target 1 LIGHT or DARK monster in either GY; banish it, and if you do, Special Summon this card from your hand. This is a Quick Effect if your opponent controls a monster. If this card is Special Summoned: You can activate this effect; during the End Phase of this turn, add 1 Dragon monster from your Deck or GY to your hand, except "Bystial Magnamhut". You can only use each effect of "Bystial Magnamhut" once per turn.
Bystial Saronir
ATK:
2500
DEF:
2000
You can target 1 LIGHT or DARK monster in either GY; banish it, and if you do, Special Summon this card from your hand. This is a Quick Effect if your opponent controls a monster. If this card is sent to the GY: You can send 1 "Bystial" monster or 1 "Branded" Spell/Trap from your Deck to the GY, except "Bystial Saronir". You can only use each effect of "Bystial Saronir" once per turn.
Mementoal Tecuhtlica - Combined Creation
ATK:
5000
DEF:
5000
Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand or GY) by shuffling 5 other "Memento" monsters with different names from your hand and/or GY into the Deck/Extra Deck. While you control no other monsters, this card can attack all monsters your opponent controls, once each. Once per turn, if your opponent activates a card or effect (except during the Damage Step): You can Special Summon 1 "Memento" monster from your hand or GY.
Mementotlan Angwitch
ATK:
800
DEF:
1000
If this card is Normal or Special Summoned: You can add 1 "Memento" monster from your Deck to your hand, except "Mementotlan Angwitch". You can target 1 Level 2 or lower "Memento" monster in your GY; destroy 1 "Memento" monster you control, and if you do, Special Summon the targeted monster. You can only use each effect of "Mementotlan Angwitch" once per turn.
Mementotlan Dark Blade
ATK:
1800
DEF:
1500
If this card is Normal or Special Summoned: You can discard 1 "Memento" card, then target 1 Spell/Trap your opponent controls; destroy it. During your Main Phase: You can destroy 1 "Memento" monster you control, and if you do, Special Summon 1 Level 3 or lower "Memento" monster from your Deck. You can only use each effect of "Mementotlan Dark Blade" once per turn.
Mementotlan Ghattic
ATK:
550
DEF:
400
If this card is Normal or Special Summoned: You can target 1 "Memento" card in your GY, except "Mementotlan Ghattic"; add it to your hand. If this card is sent to the GY by a "Memento" monster's effect: You can Special Summon this card. You can only use each effect of "Mementotlan Ghattic" once per turn.
Mementotlan Goblin
ATK:
400
DEF:
400
During the Main Phase, if you control "Mementoal Tecuhtlica - Combined Creation" (Quick Effect): You can discard this card; for the rest of this turn, your opponent cannot target "Memento" monsters you control with card effects. During your Main Phase: You can destroy 1 "Memento" monster you control, and if you do, send up to 2 "Memento" cards with different names from each other from your Deck to the GY, except "Mementotlan Goblin". You can only use each effect of "Mementotlan Goblin" once per turn.
Mementotlan Mace
ATK:
400
DEF:
300
During your opponent's Main Phase, if you control "Mementoal Tecuhtlica - Combined Creation" (Quick Effect): You can discard this card, then target 1 face-up monster your opponent controls; take control of it until the End Phase. During your Main Phase: You can destroy 1 "Memento" monster you control, and if you do, add 1 "Memento" card from your Deck to your hand, except "Mementotlan Mace". You can only use each effect of "Mementotlan Mace" once per turn.
Mementotlan Tatsunootoshigo
ATK:
1350
DEF:
1600
If you do not control any face-up monsters, other than "Memento" monsters: You can Special Summon this card from your hand. During your Main Phase: You can destroy 1 "Memento" monster you control, and send any number of "Memento" monster(s) (with different names) from your Deck to the GY whose total Levels are less than or equal to the destroyed monster's original Level. You can only use each effect of "Mementotlan Tatsunootoshigo" once per turn.
Mementotlan-Horned Dragon
ATK:
2850
DEF:
2350
If you have 3 or more "Memento" monsters with different names in your GY, you can Special Summon this card (from your hand). You can only Special Summon "Mementotlan-Horned Dragon" once per turn this way. If this card on the field is destroyed by card effect: You can target 3 face-up cards on the field, including a "Memento" card you control; destroy them. You can only use this effect of "Mementotlan-Horned Dragon" once per turn.
The Bystial Lubellion
ATK:
2500
DEF:
3000
Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand or GY) by Tributing 1 Level 6 or higher DARK Dragon monster. You can only Special Summon "The Bystial Lubellion" once per turn this way. You can send this card from your hand to the GY; add 1 "Bystial" monster from your Deck to your hand, except "The Bystial Lubellion". During your Main Phase: You can place 1 "Branded" Continuous Spell/Trap from your Deck face-up on your field. You can only use each effect of "The Bystial Lubellion" once per turn.
Branded Regained
If a LIGHT or DARK monster(s) is banished (except during the Damage Step): You can target 1 of those monsters; place that monster on the bottom of the Deck, and if you do, draw 1 card. You can only use this effect of "Branded Regained" once per turn. Once per turn, if your opponent Normal or Special Summons a monster (except during the Damage Step): You can target 1 "Bystial" monster in your GY; Special Summon it. You can only activate this effect of "Branded Regained" once per Chain.
Mementomictlan
If your "Memento" monster battles, your opponent cannot activate any Spell/Trap Cards until the end of the Damage Step. If a monster(s) you control is destroyed by battle or card effect: You can target 1 of those monsters; Special Summon 1 "Memento" monster with a lower Level from your hand or GY. You can only use this effect of "Mementomictlan" once per turn. Once per turn, during your End Phase: You can target 1 "Memento" Spell/Trap in your GY; Set it.
Mementotlan Bone Party
Destroy 1 "Memento" monster in your hand or face-up field, take 1 "Memento" monster from your Deck with a different name, and either add it to your hand or Special Summon it in Defense Position. During your Main Phase: You can banish this card from your GY, then target 1 "Memento" monster you control; if it attacks a Defense Position monster this turn, inflict piercing battle damage to your opponent. You can only use each effect of "Mementotlan Bone Party" once per turn.
Mementotlan Fusion
During the Main Phase: Fusion Summon 1 Fusion Monster from your Extra Deck, using monsters from your hand or field as material, including a "Memento" monster. If a monster(s) in your possession was destroyed by card effect this turn, you can also shuffle "Memento" monsters from your GY into the Deck as material. During your Main Phase: You can banish this card from your GY; destroy 1 monster you control, and if you do, add 1 "Memento" Spell/Trap from your Deck to your hand. You can only use each effect of "Mementotlan Fusion" once per turn.
Branded Beast
Once per turn, during the Main Phase, if you control a "Bystial" monster: You can Tribute 1 Dragon monster, then target 1 card your opponent controls; destroy it. During the End Phase: You can target 1 "Branded" Continuous Spell/Trap in your GY; place it face-up on your field. You can only use this effect of "Branded Beast" once per turn.
Infinite Impermanence
Target 1 face-up monster your opponent controls; negate its effects (until the end of this turn), then, if this card was Set before activation and is on the field at resolution, for the rest of this turn all other Spell/Trap effects in this column are negated. If you control no cards, you can activate this card from your hand.
Mementotlan Cranium Burst
While you control a "Memento" monster, your opponent's monsters that can attack must attack the "Memento" monster you control with the highest ATK (their choice, if tied). When your opponent activates a monster effect on the field (except during the Damage Step): You can target 1 "Mementoal Tecuhtlica - Combined Creation" you control; it loses exactly 1000 ATK/DEF, and if it does, negate that activated effect. You can only activate this effect of "Mementotlan Cranium Burst" once per Chain.
Mementotlan Fracture Dance
If you control a "Memento" monster: Target 1 card on the field; destroy it, then, if you control "Mementoal Tecuhtlica - Combined Creation", you can destroy 1 more card on the field. When an attack is declared involving your "Memento" monster and an opponent's monster: You can banish this card from your GY; all monsters your opponent currently controls lose 1000 ATK until the end of this turn. You can only use each effect of "Mementotlan Fracture Dance" once per turn.