Chromium, the Mutable [Core Set 2019 Prerelease Promos] WTR051-R Set: Sun & Moon: Lost

Set: Sun & Moon: Lost Thunder Type: Lightning Rarity: Ultra Rare Retreat cost: Colorless

Set: Platinum: Rising Rivals Type: Colorless Rarity: Holo Rare Retreat cost: Colorless

Set: Sun & Moon: Black Star Promos Type: Colorless Rarity: Black Star Promo Retreat cost: 0

Set: Promo Finish: Cold Foil Type: Hero Rarity: Promo Class: Ninja Life: 40 Intellect: 4 Once per Turn Effect - When an attack action card you control hits

Set: XY: Flashfire Type: Supporter Rarity: Ultra Rare

Chromium, the Mutable [Core Set 2019 Prerelease Promos] WTR051-R Set: Sun & Moon: LostSet: 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.