Alien Deck Breakdown

DARK 3

If you control a Reptile monster, you can Special Summon this card (from your hand). You can only Special Summon "Black Mamba" once per turn this way. If this card is Normal or Special Summoned: You can target 1 monster your opponent controls; send 1 Reptile monster from your Deck to the GY, and if you do, change the targeted monster's battle position. You can only use this effect of "Black Mamba" once per turn.

DARK 10

If a monster(s) is Special Summoned from the Deck or Extra Deck by your opponent's activated monster effect, while this card is in your GY (except during the Damage Step): You can Special Summon this card. When a monster effect is activated that includes an effect that Special Summons a monster(s) (Quick Effect): You can banish 1 card from your hand or field; negate that effect, and if you do, destroy that monster. During the End Phase, if this card is currently banished, and was banished this turn: You can return 1 of your other banished monsters to the GY. You can only use each effect of "Derk, Longing for the Blue Skies" once per turn.

LIGHT 8

If this card is in your GY: You can Tribute 1 monster; Special Summon this card, then your opponent can Special Summon 1 monster from their GY, but negate its effects. If this card is Special Summoned: You can target 1 Level 4 or lower "Ogdoadic" monster in your GY; Special Summon it, but banish it when it leaves the field. You can only use each effect of "Keurse, the Ogdoadic Light" once per turn.

DARK 8

You can Special Summon this card (from your hand) by Tributing 1 other Reptile monster from your hand and 1 monster your opponent controls, but you cannot Special Summon nor activate monster effects for the rest of this turn, except Reptile monsters. You can only Special Summon "Mitsurugi no Miko, Wousu" once per turn this way. If this card is Tributed: You can discard 1 card, and if you do, add this card to your hand. You can only use this effect of "Mitsurugi no Miko, Wousu" once per turn.

DARK 4

If this card is Normal or Special Summoned, or if this card is Tributed: You can add 1 "Mitsurugi" monster from your Deck to your hand, except "Mitsurugi no Mikoto, Aramasa". If another Reptile monster(s) you control would be destroyed by battle or card effect, you can Tribute this card instead. You can only use each effect of "Mitsurugi no Mikoto, Aramasa" once per turn.

DARK 4

If this card is Normal or Special Summoned, or if this card is Tributed: You can target 1 "Mitsurugi" card in your GY or banishment, except "Mitsurugi no Mikoto, Kusanagi"; add it to your hand. If another Reptile monster(s) you control would be destroyed by battle or card effect, you can Tribute this card instead. You can only use each effect of "Mitsurugi no Mikoto, Kusanagi" once per turn.

DARK 4

If this card is Normal or Special Summoned, or if this card is Tributed: You can add 1 "Mitsurugi" Spell/Trap from your Deck to your hand. If another Reptile monster(s) you control would be destroyed by battle or card effect, you can Tribute this card instead. You can only use each effect of "Mitsurugi no Mikoto, Saji" once per turn.

DARK 4

You can send this card from your hand to the GY; send 1 LIGHT Reptile monster from your Deck to the GY. If this card is Normal or Special Summoned: You can add 1 "Ogdoadic" Spell/Trap from your Deck to your hand. You can only use each effect of "Nauya, the Ogdoadic Remnant" once per turn.

DARK 10

If a monster(s) is sent from the hand or Deck to the GY, while this card is in your GY (except during the Damage Step): You can Special Summon this card, also you cannot Special Summon monsters until the end of the next turn, except Reptile monsters. If you control this card that was Special Summoned from the GY: You can target 1 monster in your GY, except "Nephilabyss, the Ogdoadic Overlord"; Special Summon it. You can only use each effect of "Nephilabyss, the Ogdoadic Overlord" once per turn.

WATER 4

If this card is sent to the GY by a card effect: You can Special Summon this card, but banish it when it leaves the field. You can only use this effect of "Night Sword Serpent" once per turn.

LIGHT 4

You can send this card from your hand to the GY; send 1 DARK Reptile monster from your Deck to the GY. If you control no monsters, or you control an "Ogdoadic" monster: You can Special Summon this card from your GY, but banish it when it leaves the field, also you cannot Special Summon monsters, except Reptile monsters, while this card is face-up in the Monster Zone. You can only use each effect of "Nunu, the Ogdoadic Remnant" once per turn.

LIGHT 10

If this card is in your GY: You can Tribute 3 monsters; Special Summon this card. Once, while this card is face-up on the field (Quick Effect): You can send all monsters from the field to the GY, except face-up monsters Special Summoned from the GY. You can only use each effect of "Ogdoabyss, the Ogdoadic Overlord" once per turn.

LIGHT

2 Reptile monsters (Quick Effect): You can discard 1 monster; place A-Counters equal to its original Level on face-up monster(s) on the field, distributed as you wish. If this card is destroyed by battle or card effect and sent to the GY: You can Special Summon non-Link Reptile monsters with different names from your GY, up to the number of monsters your opponent controls with A-Counters. You can only use each effect of "Alien Shocktrooper M-Frame" once per turn.

LIGHT

2+ Reptile monsters Monsters your opponent controls with A-Counters are changed to Defense Position, also neither player can activate their effects. You can only use each of the following effects of "Cosmic Slicer Zer'oll" once per turn. If this card is Link Summoned: You can add 1 card from your Deck to your hand that has an effect that places A-Counter(s). You can remove 2 A-Counters from anywhere on the field; immediately after this effect resolves, Normal Summon 1 Reptile monster.

WATER

2 monsters with different names You can banish 1 monster from your face-up field or GY with 2000 or less ATK, then target 1 face-up monster on the field; make its ATK become equal to the original ATK of the monster banished to activate this effect (until the end of this turn), then if you banished a monster that was originally Reptile, draw 1 card. You can only use this effect of "Haggard Lizardose" once per turn.

FIRE

2+ monsters, including an Insect, Plant, or Reptile monster If your opponent activates a monster effect (except during the Damage Step): You can activate this effect; neither player can activate the effects of monsters in the hand this turn. If this card is in your GY: You can target 1 Insect, Plant, or Reptile monster you control; place it on the bottom of the Deck, and if you do, Special Summon this card, also you cannot Special Summon for the rest of this turn, except Insect, Plant, or Reptile monsters. You can only use each effect of "Ragnaraika Chain Coils" once per turn.

WATER

2+ Insect, Plant, and/or Reptile monsters You can banish up to 2 monsters from your GY, then target that many Spells/Traps your opponent controls; destroy them. If this card is in your GY: You can target 1 Insect, Plant, or Reptile monster you control; place it on the bottom of the Deck, and if you do, Special Summon this card, also you cannot Special Summon for the rest of this turn, except Insect, Plant, or Reptile monsters. You can only use each effect of "Ragnaraika Selene Snapper" once per turn.

EARTH

2+ Insect, Plant, and/or Reptile monsters If a monster(s) is Special Summoned from your opponent's Deck and/or Extra Deck (except during the Damage Step): You can destroy 2 monsters on the field. If this card is in your GY: You can target 1 Insect, Plant, or Reptile monster you control; place it on the bottom of the Deck, and if you do, Special Summon this card, also you cannot Special Summon for the rest of this turn, except Insect, Plant, or Reptile monsters. You can only use each effect of "Ragnaraika Stag Sovereign" once per turn.

DARK

2 monsters, including a Reptile monster If this card is Link Summoned: You can target 1 face-up monster your opponent controls; change its ATK to 0. During your Main Phase, if your opponent controls a monster(s) with 0 ATK: You can add Reptile monsters with different names from your Deck to your hand, up to the number of monsters your opponent controls with 0 ATK, also, you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except Reptile monsters. You can only use each effect of "Reptilianne Echidna" once per turn.

DARK 8

You can Ritual Summon this card with "Mitsurugi Ritual". Monsters your opponent controls lose 800 ATK. You can reveal this card in your hand; Special Summon 1 "Mitsurugi" monster from your Deck, then Tribute 1 monster you control. You can only use this effect of "Ame no Habakiri no Mitsurugi" once per Duel. If this card is Tributed: You can add 1 "Mitsurugi" card from your Deck to your hand, except "Ame no Habakiri no Mitsurugi", then you can Special Summon this card. You can only use this effect of "Ame no Habakiri no Mitsurugi" once per turn.

DARK 8

You can Ritual Summon this card with "Mitsurugi Ritual". If this card is Special Summoned: You can destroy all monsters your opponent controls. When your opponent activates a card or effect (Quick Effect): You can activate this effect; your opponent can discard 1 card, or that effect is negated. If this card is Tributed: You can add 1 "Mitsurugi" card from your Deck to your hand, except "Ame no Murakumo no Mitsurugi", then you can Special Summon this card. You can only use each effect of "Ame no Murakumo no Mitsurugi" once per turn.

DARK 8

You can Ritual Summon this card with "Mitsurugi Ritual". If your opponent Special Summons a monster(s) (except during the Damage Step): You can target 1 Reptile monster in your GY, except "Futsu no Mitama no Mitsurugi"; Special Summon it. You can only activate this effect of "Futsu no Mitama no Mitsurugi" once per Chain. If this card is Tributed: You can add 1 "Mitsurugi" card from your Deck to your hand, except "Futsu no Mitama no Mitsurugi", then you can Special Summon this card. You can only use this effect of "Futsu no Mitama no Mitsurugi" once per turn.

FIRE 3

When a card or effect is activated that includes any of these effects (Quick Effect): You can discard this card; negate that effect. ● Add a card from the Deck to the hand. ● Special Summon from the Deck. ● Send a card from the Deck to the GY. You can only use this effect of "Ash Blossom & Joyous Spring" once per turn.

DARK 4

If you control a DARK Reptile monster: You can Special Summon this card from your hand, then, if your opponent controls any monsters with 0 ATK, you can Special Summon up to an equal number of "Reptilianne" monsters from your hand. You can only use this effect of "Reptilianne Coatl" once per turn. If this card you control would be used as Synchro Material for a Reptile monster, you can treat it as a non-Tuner.

DARK 2

If this card is in your hand and all monsters you control are face-up Reptile monsters (min. 1): You can target 1 face-up monster your opponent controls; change its ATK to 0, and if you do, Special Summon this card, then take damage equal to that monster's original ATK. If this card is sent to the GY as Synchro Material: You can target up to 2 face-up monsters on the field; change their ATK to 0. You can only use 1 "Reptilianne Lamia" effect per turn, and only once that turn.

Spell Quick

Target 1 monster in your opponent's GY; banish it, and if you do, until the end of the next turn, its effects are negated, as well as the activated effects and effects on the field of monsters with the same original name.

Spell Normal

This card can be used to Ritual Summon any Reptile Ritual Monster from your hand or GY. You must also Tribute Reptile monsters from your hand or field whose total Levels equal or exceed the Level of the Ritual Monster. If "Ame no Murakumo no Mitsurugi", "Futsu no Mitama no Mitsurugi", or "Ame no Habakiri no Mitsurugi" you control is Tributed, while this card is in your GY: You can shuffle this card into the Deck. You can only use each effect of "Mitsurugi Mirror" once per turn.

Spell Quick

When you activate this card, you can also Tribute 1 Reptile monster in your hand or field; apply 1 of these effects, or if you Tributed a monster at activation, you can apply both effects in sequence. ● Add 1 "Mitsurugi" monster from your Deck to your hand. ● Take 800 damage, then you can Special Summon 1 "Mitsurugi" monster from your hand or GY, but it cannot attack directly. You can only activate 1 "Mitsurugi Prayers" per turn.

Spell Normal

This card can be used to Ritual Summon any Reptile Ritual Monster. Activate 1 of these effects (but you can only use each effect of "Mitsurugi Ritual" once per turn); ● Ritual Summon 1 Reptile Ritual Monster from your Deck, by Tributing Reptile monsters from your hand or field whose total Levels equal the Level of the Ritual Monster. ● Ritual Summon 1 Reptile Ritual Monster from your hand, by Tributing up to 2 Reptile monsters from your hand, Deck, or field, whose total Levels equal the Level of the Ritual Monster.

Spell Quick

Tribute 1 Reptile monster; for every 2 Levels that Tributed monster had on the field, Special Summon up to 1 "Ogdoadic Token" (Reptile/DARK/Level 2/ATK 0/DEF 0). During your Main Phase: You can banish this card from your GY, then target 1 of your banished Reptile monsters; shuffle it into the Deck, then you can send 1 Reptile monster from your Deck to the GY. You can only use each effect of "Ogdoadic Daybreak" once per turn.

Spell Normal

Send 1 Reptile monster from your Deck to the GY, then if you have 5 or more Reptile monsters with different names in your GY, you can Special Summon 1 Reptile monster from your GY. You can only activate 1 "Ogdoadic Water Lily" per turn.

Spell Normal

Add 1 Ritual Spell from your Deck to your hand, and add 1 Ritual Monster from your Deck or GY to your hand whose name is listed on that Ritual Spell. You can only activate 1 "Pre-Preparation of Rites" per turn.

Spell Normal

Discard 1 card. Select 4 Reptile-Type monsters from your Deck and send them to the Graveyard.

Trap Normal

When your opponent activates a card or effect: Tribute 1 Level 5 or higher Reptile monster; negate that effect, and if you do, destroy that card. You can banish this card from your GY, then target 1 Reptile monster in your GY; Special Summon it, and if you do, Tribute 1 other monster you control. You can only use 1 "Mitsurugi Great Purification" effect per turn, and only once that turn.

Trap Normal

Tribute 1 "Alien" monster. Destroy all face-up monsters without A-Counters your opponent controls. Until the end of your opponent's 3rd turn after this card's activation, place 1 A-Counter on each monster they Summon.