Chthonian Polymer [EEN-EN057] Common Counter Trap negate that face-up monster's effects

negate that face-up monster's effects until the end of this turn

You can only use each effect of "Crystron Sulfefnir" once per turn

Set: Legacy of the Valiant Card type: Effect Monster Rarity: Secret Rare Attack: 2800 Defense: 1000 You can Tribute Summon this card by Tributing 1 Tribute Summoned monster

you can treat 1 of those die results as 7

Chthonian Polymer [EEN-EN057] Common Counter Trap negate that face-up monster's effectsSet: Elemental Energy Card type: Normal Trap Rarity: Common You can only activate this card when your opponent Fusion Summons a Fusion Monster. Tribute 1 monster on your side of the field to take control of that Fusion Monster.