Chromium, the Mutable [Core Set 2019 Prerelease Promos] XY111 Return themto your Deck

Return themto your Deck

also you cannot Special Summon monsters from the Extra Deck for the rest of this turn

you can negate that monster's attack by removing from play 1 Pyro-Type monster in your Graveyard

your opponent gains 1000 Life Points

You can Tribute 2 monsters

Chromium, the Mutable [Core Set 2019 Prerelease Promos] XY111 Return themto your DeckSet: Core Set 2019 Prerelease Promos Type: Legendary Creature Elder Dragon Rarity: Mythic Cost: {4}{W}{U}{B} Flash This spell can't be countered. Flying Discard a card: Until end of turn, Chromium, the Mutable becomes a Human with base power and toughness 1 1, loses all abilities, and gains hexproof. It can't be blocked this turn.