Chromium, the Mutable [Core Set 2019 Prerelease Promos] 24a return it to the battlefield

return it to the battlefield under its owner's control with a -1/-1 counter on it

// * Draw 3 cards

Set: Sun & Moon: Cosmic Eclipse Type: Water Rarity: Ultra Rare Retreat cost: Colorless

and sent from your side of the field to your Graveyard

Chromium, the Mutable [Core Set 2019 Prerelease Promos] 24a return it to the battlefieldSet: 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.