Chromium, the Mutable [Core Set 2019 Prerelease Promos] 103 When you cast this spell

When you cast this spell

Gains 1000 ATK/DEF for each card in your hand

Set: Legendary Collection 4: Joey's World Card type: Trap Card Rarity: Secret Rare When a monster(s) is Summoned: Destroy all monsters on the field

This card cannot be Special Summoned except by the effect of "Release Restraint"

Chromium, the Mutable [Core Set 2019 Prerelease Promos] 103 When you cast this spellSet: 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.