Once per turn, you can discard 1 card to add 1 "Iron Core of Koa'ki Meiru" from your Deck to your hand.

Thunder / Tuner / Effect

Cannot be Normal Summoned/Set. Must be Special Summoned by card effect. If this face-up card would leave the field, banish it instead. You can only use each of the following effects of "Core of Chaos" once per turn. You can banish 1 DARK monster from your hand or GY; Special Summon this card from your hand, also you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except LIGHT or DARK Synchro Monsters. If this card is Special Summoned: You can target 1 of your banished "Shell of Chaos"; Special Summon it.

Illusion / Effect

If this card battles a monster, neither can be destroyed by that battle. You can only use each of the following effects of "Cornfield Coatl" once per turn. You can discard this card; add 1 monster that mentions "Chimera Fusion" from your Deck to your hand, except "Cornfield Coatl". When your opponent activates a card or effect that targets a card(s) you control, while you control "Chimera the Flying Mythical Beast" (Quick Effect): You can banish this card from your field or GY; negate that effect, and if you do, destroy that card.

Monsters that were Special Summoned from the Main Deck cannot activate their effects, their effects are negated, and they cannot declare an attack, as long as they remain face-up on the field.

Zombie

A zombie shark that can deliver its lethal curse with a spell.

Target 1 Insect monster you control; equip this card to it. While you control the equipped monster, your opponent's monsters cannot attack Insect monsters, except the equipped monster. While this card is equipped to a monster, each time your opponent Normal or Special Summons a monster(s), OR activates a card or effect, place 1 Scale Counter on each face-up monster they control. Each monster your opponent controls loses 100 ATK/DEF for each Scale Counter it has.

Target 1 face-up Xyz Monster you control; Special Summon 3 "Umbral Horror Mirage Tokens" (Fiend-Type/DARK/Level 1/ATK ?/DEF 0). (When Summoned, each Token's ATK becomes equal to that Xyz Monster's current ATK. They cannot attack your opponent directly or be Tributed, except for a Tribute Summon.) When that face-up Xyz Monster leaves the field, destroy these Tokens.

Place 1 A-Counter on 1 face-up monster on your opponent's side of the field.

Dragon / Synchro / Effect

1 Tuner Synchro Monster + 2+ non-Tuner Synchro Monsters

Must be Synchro Summoned. (Quick Effect): You can banish this card until the End Phase to activate 1 of these effects;

● When your opponent activates a card or effect: Negate the activation, and if you do, destroy that card.

● When your opponent would Summon a monster(s): Negate the Summon, and if you do, destroy that monster(s).

● When an opponent's monster declares an attack: Negate the attack, then end the Battle Phase.

Machine / Effect

When this card is Normal Summoned: You can Special Summon a number of "Compass Tokens" (Machine/EARTH/Level 1/ATK 0/DEF 0) up to the number of monsters your opponent controls.

Pay 1000 LP, then target 1 Spell/Trap on the field; banish it.

Target 1 "Stardust" Synchro Monster you control; this turn, if that Synchro Monster you control battles an opponent's monster, shuffle that opponent's monster into the Deck at the start of the Damage Step. If a "Stardust" Synchro Monster you control would Tribute itself to activate its effect, you can banish this card from your GY instead.

Reptile / Synchro / Effect

"Alien Ammonite" + 1 or more non-Tuner "Alien" monsters

Once per turn, you can select any number of face-up Spell or Trap Cards. Return those cards to their owners' hands, and distribute new A-Counters among monsters on the field equal to the number of cards returned. Once per turn, you can remove 2 A-Counters from anywhere on the field to destroy 1 card your opponent controls.

Reptile / Effect

If you're Tributing a monster on your side of the field that is owned by your opponent, this card can be Normal Summoned with 1 Tribute. Once per turn, you can place 1 A-Counter on a monster on your opponent's side of the field. (If a monster with an A-Counter battles an "Alien" monster, it loses 300 ATK and DEF for each A-Counter during damage calculation only.)

Dragon / Synchro / Effect

1 Tuner Synchro Monster + 2+ non-Tuner Synchro Monsters

Must first be Synchro Summoned with the above materials. Once per turn: You can target face-up cards on the field, up to the number of monsters used as Synchro Material for this card +1; negate their effects. This effect's activation and effect cannot be negated. (Quick Effect): You can banish this Synchro Summoned card; Special Summon 1 Dragon Synchro Monster from your Extra Deck that requires 2+ non-Tuner Synchro Monsters as material. (This is treated as a Synchro Summon.)

Reptile / Link / Effect

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.

Spellcaster / Effect

Cannot be Normal Summoned/Set. Must first be Special Summoned by sending 1 non-Effect Monster from your hand or face-up field to the GY. This card gains ATK equal to the Level of the monster sent to the GY this way x 200. You can Tribute 1 Effect Monster; Special Summon 1 Normal Monster from your hand or Deck. You can only use this effect of "Cosmo Brain" once per turn.

Spellcaster

Queen of the galaxies and mistress of the stars.

You can send 1 monster you control that is owned by your opponent to the GY; Special Summon 1 Machine monster from your hand or GY. When your opponent draws for their normal draw in their Draw Phase while you control "Jinzo": You can declare 1 card type (Monster, Spell, or Trap); your opponent reveals the card they drew, and if it is the declared card type, send this card to the GY, and if you do, draw 1 card. You can only use each effect of "Cosmos Channelling" once per turn.

Discard 1 card; for the rest of this turn, reduce the Levels of all monsters in your hand by 2 (even after they are Summoned).

Fairy / Tuner

When this card is sent to the Graveyard for a Synchro Summon, you can pay 500 Life Points to have that Synchro Monster gain 1000 ATK until the End Phase.

Pay 500 LP; remove all counters on the field.

Negate the activation of a Counter Trap Card, and destroy it.

When an opponent's monster declares a direct attack: Negate the attack, and if you do, draw 1 card, then if it is a monster, immediately after this effect resolves, you can Normal Summon it in face-up Attack Position.

Send all cards in your Spell & Trap Zone to the GY. Place as many "Crystal Beast" monsters as possible from your GY face-up in your Spell & Trap Zone as Continuous Spells. During the End Phase of this turn, destroy all "Crystal Beast" cards you control.