Koa'ki Meiru Bergzak
ATK:
2000
DEF:
200
During each of your End Phases, destroy this card unless you send 1 "Iron Core of Koa'ki Meiru" from your hand to the Graveyard or reveal 1 Warrior-Type monster in your hand. If this card destroys an opponent's monster by battle, it can attack once again in a row.
Koa'ki Meiru Boulder
ATK:
1200
DEF:
1000
When this card is destroyed by battle and sent to the Graveyard, you can add 1 "Iron Core of Koa'ki Meiru" or 1 Level 4 or lower "Koa'ki Meiru" monster from your Deck to your hand.
Koa'ki Meiru Crusader
ATK:
1900
DEF:
1300
During each of your End Phases, destroy this card unless you send 1 "Iron Core of Koa'ki Meiru" from your hand to the Graveyard or reveal 1 Beast-Warrior-Type monster in your hand. If this card destroys an opponent's monster by battle, you can add 1 "Koa'ki Meiru" card from your Graveyard to your hand.
Koa'ki Meiru Doom
ATK:
1700
DEF:
800
During each of your End Phases, destroy this card unless you send 1 "Iron Core of Koa'ki Meiru" from your hand to the Graveyard or reveal 1 Fiend-Type monster in your hand. Negate the effects of LIGHT and DARK monsters that activate during the Main Phase.
Koa'ki Meiru Drago
ATK:
1900
DEF:
1600
During each of your End Phases, destroy this card unless you send 1 "Iron Core of Koa'ki Meiru" from your hand to the Graveyard or reveal 1 Dragon-Type monster in your hand. Neither player can Special Summon LIGHT or DARK monsters.
Koa'ki Meiru Ghoulungulate
ATK:
2500
DEF:
1700
During each of your End Phases, destroy this card unless you send 1 "Iron Core of Koa'ki Meiru" from your hand to the Graveyard or reveal 1 Zombie-Type monster in your hand. If a "Koa'ki Meiru" monster you control would be destroyed by battle or by a card effect, you can remove from play 1 "Koa'ki Meiru" monster in your Graveyard instead.
Koa'ki Meiru Gravirose
ATK:
1900
DEF:
1300
During each of your End Phases, destroy this card unless you send 1 "Iron Core of Koa'ki Meiru" from your hand to the Graveyard or reveal 1 Plant-Type monster in you hand. During each of your Standby Phases, you can send 1 Level 3 or lower monster from your Deck to your Graveyard.
Koa'ki Meiru Guardian
ATK:
1900
DEF:
1200
During each of your End Phases, destroy this card unless you send 1 "Iron Core of Koa'ki Meiru" from your hand to the GY or reveal 1 Rock monster in your hand. When a monster effect is activated (Quick Effect): You can Tribute this card; negate the activation, and if you do, destroy that monster.
Koa'ki Meiru Hydro Barrier
ATK:
1000
DEF:
1900
You can return 1 "Iron Core of Koa'ki Meiru" from your hand to the top of the Deck. If you do, the effect(s) of all face-up Effect Monsters are negated until the Standby Phase of your next turn, except "Koa'ki Meiru" monsters.
Koa'ki Meiru Ice
ATK:
1900
DEF:
1200
During each of your End Phases, destroy this card unless you send 1 "Iron Core of Koa'ki Meiru" from your hand to the Graveyard or reveal 1 Continuous Spell Card in your hand. You can send 1 card from your hand to the Graveyard to destroy 1 Special Summoned monster on the field.
Koa'ki Meiru Maximus
ATK:
3000
DEF:
2500
This card cannot be Normal Summoned or Set. This card can only be Special Summoned by removing from play 1 "Iron Core of Koa'ki Meiru" from your hand. During each of your End Phases, destroy this card unless you send 1 "Iron Core of Koa'ki Meiru" or 1 "Koa'ki Meiru" monster from your hand to the Graveyard. Once per turn, during your Main Phase, you can select and destroy 1 card your opponent controls.
Koa'ki Meiru Overload
ATK:
1900
DEF:
1200
During each of your End Phases, destroy this card unless you send 1 "Iron Core of Koa'ki Meiru" from your hand to the GY or reveal 1 Rock monster in your hand. When your opponent would Summon a monster(s) (Quick Effect): You can Tribute this card; negate the Summon, and if you do, destroy that monster(s).
Koa'ki Meiru Prototype
ATK:
1800
DEF:
1800
If a face-up "Koa'ki Meiru" monster(s) on the field would be destroyed during the End Phase, you can destroy this card instead. When a face-up "Koa'ki Meiru" monster(s) on the field is destroyed during the End Phase, you can Special Summon 1 "Koa'ki Meiru Token" (Rock-Type/EARTH/Level 4/ATK 1800/DEF 1800).
Koa'ki Meiru Rooklord
ATK:
2800
DEF:
2200
During each of your End Phases, destroy this card unless you send 1 "Iron Core of Koa'ki Meiru" from your hand to the Graveyard or reveal 1 Warrior-Type monster in your hand. You can Tribute Summon this card by Tributing 1 "Koa'ki Meiru" monster. When this card is Normal Summoned, you can remove from play 1 "Koa'ki Meiru" card in your Graveyard to destroy up to 2 cards your opponent controls.
Koa'ki Meiru Sandman
ATK:
1900
DEF:
1200
During each of your End Phases, destroy this card unless you send 1 "Iron Core of Koa'ki Meiru" from your hand to the GY or reveal 1 Rock monster in your hand. When your opponent activates a Trap Card (Quick Effect): You can Tribute this card; negate the activation, and if you do, destroy that card.
Koa'ki Meiru Sea Panther
ATK:
1900
DEF:
1200
During each of your End Phases, destroy this card unless you send 1 "Iron Core of Koa'ki Meiru" from your hand to the Graveyard or reveal 1 WATER monster in your hand. Once per turn, you can send 1 "Iron Core of Koa'ki Meiru" from your hand to the Graveyard to return 1 Spell Card from your Graveyard to the top of your Deck.
Koa'ki Meiru Speeder
ATK:
1200
DEF:
2200
During each of your End Phases, destroy this card unless you send 1 "Iron Core of Koa'ki Meiru" from your hand to the Graveyard or reveal 1 Machine-Type monster in your hand. If you draw "Iron Core of Koa'ki Meiru" during your Draw Phase, you can reveal it to your opponent to draw 1 more card.
Koa'ki Meiru Supplier
ATK:
1400
DEF:
1600
If a face-up Rock monster you control is sent to the GY (except during the Damage Step): You can Special Summon this card from your hand. If this card is Special Summoned: You can add from your Deck to your hand, 1 "Iron Core of Koa'ki Meiru" or 1 card that specifically lists "Iron Core of Koa'ki Meiru" in its text, except "Koa'ki Meiru Supplier". You can only use each effect of "Koa'ki Meiru Supplier" once per turn.
Koa'ki Meiru Tornado
ATK:
1500
DEF:
1200
You can return 1 "Iron Core of Koa'ki Meiru" from your hand to the top of the Deck to destroy all Special Summoned monsters your opponent controls.
Koa'ki Meiru Urnight
ATK:
2000
DEF:
1500
During each of your End Phases, destroy this card unless you send 1 "Iron Core of Koa'ki Meiru" from your hand to the Graveyard or reveal 1 Beast-Warrior-Type monster in your hand. Once per turn, you can reveal 1 "Iron Core of Koa'ki Meiru" in your hand to Special Summon 1 Level 4 or lower "Koa'ki Meiru" monster from your Deck, except "Koa'ki Meiru Urnight".
Koa'ki Meiru Valafar
ATK:
3000
DEF:
2100
During each of your End Phases, destroy this card unless you send 1 "Iron Core of Koa'ki Meiru" from your hand to the Graveyard. You can Tribute Summon this monster by Tributing 1 "Koa'ki Meiru" monster. This card cannot be destroyed by the effects of Trap Cards. During battle between this attacking card and a Defense Position monster whose DEF is lower than the ATK of this card, inflict the difference as Battle Damage to your opponent.
Koa'ki Meiru Wall
ATK:
1900
DEF:
1200
During each of your End Phases, destroy this card unless you send 1 "Iron Core of Koa'ki Meiru" from your hand to the GY or reveal 1 Rock monster in your hand. When your opponent activates a Spell Card (Quick Effect): You can Tribute this card; negate the activation, and if you do, destroy that card.
Core Blaster
Equip only to a "Koa'ki Meiru" monster. If it battles a LIGHT or DARK monster, destroy that monster without applying damage calculation. When the equipped monster is removed from the field and this card is sent to the Graveyard, you can return this card to your hand.
Core Compression
Reveal 1 "Iron Core of Koa'ki Meiru" in your hand and discard 1 "Koa'ki Meiru" monster to activate this card. Draw 2 cards.
Core Overclock
All face-up "Koa'ki Meiru" monsters you control gain 500 ATK. Once per turn, during your Main Phase, you can discard 1 "Iron Core of Koa'ki Meiru" to have all face-up "Koa'ki Meiru" monsters you control gain 1000 ATK, until the End Phase.
Core Transport Unit
Once per turn, you can discard 1 card to add 1 "Iron Core of Koa'ki Meiru" from your Deck to your hand.
Diamond Core of Koa'ki Meiru
Add 1 "Koa'ki Meiru" card from your Deck to your hand, except "Diamond Core of Koa'ki Meiru". You can banish this card from your Graveyard; for the rest of this turn, "Koa'ki Meiru" monsters you control cannot be destroyed.
Iron Core Armor
Equip only to a "Koa'ki Meiru" monster. During damage calculation only, monsters that battle with the equipped monster lose ATK equal to the equipped monster's Level x 100. If the equipped monster would be destroyed during the End Phase, you can send this card to the Graveyard instead.
Iron Core Immediate Disposal
Select and send 1 "Iron Core of Koa'ki Meiru" from your Deck to your Graveyard.
Iron Core of Koa'ki Meiru
During your Draw Phase, if this card is in your Graveyard, you can add this card to your hand instead of drawing, and/or send 1 "Koa'ki Meiru" monster from your hand to your Graveyard to add this card to your hand.
Iron Core Specimen Lab
During each of your End Phases, destroy this card unless you reveal 1 "Iron Core of Koa'ki Meiru" in your hand. Each time a "Koa'ki Meiru" monster on the field is destroyed during the End Phase, its owner can add 1 "Koa'ki Meiru" monster from their Deck to their hand.
Koa'ki Meiru Initialize!
Tribute 1 "Koa'ki Meiru" monster to add 1 "Iron Core of Koa'ki Meiru" from your Deck or Graveyard to your hand.
Koa'ki Ring
Reveal 1 "Iron Core of Koa'ki Meiru" in your hand to select 1 face-up monster on the field. Destroy that monster, and both players take 1000 damage.
Urgent Synthesis
Return 1 "Iron Core of Koa'ki Meiru" from your Graveyard to the Deck. Special Summon 1 Level 4 or lower "Koa'ki Meiru" monster from your hand or your Graveyard.
Automatic Laser
When your opponent Normal or Special Summons a monster(s) with 1000 or more ATK, reveal 1 "Iron Core of Koa'ki Meiru" in your hand to activate this card. Destroy that Summoned monster(s).
Core Reinforcement
Select and Special Summon 1 "Koa'ki Meiru" monster from your Graveyard in Attack Position. When that monster is destroyed during your End Phase, the controller of this card takes damage equal to that monster's ATK. When this card is removed from the field, destroy that monster. When that monster is destroyed, destroy this card.
Iron Core Luster
Reveal 1 "Iron Core of Koa'ki Meiru" in your hand. Negate the activation of your opponent's Spell or Trap Card, and destroy it.
Koa'ki Meiru Shield
Activate only when your opponent's monster declares an attack if you have 2 or more "Iron Core of Koa'ki Meiru" in your Graveyard. Destroy all face-up Attack Position monsters your opponent controls.
Nega-Ton Corepanel
Activate only if you control a face-up "Koa'ki Meiru" monster and have "Iron Core of Koa'ki Meiru" in your Graveyard. Negate the activation of an Effect Monster's effect, and destroy it.
Reckoned Power
Reveal 1 "Iron Core of Koa'ki Meiru" in your hand. Destroy all face-down Spell and Trap Cards your opponent controls.