Chromium, the Mutable [Core Set 2019 Prerelease Promos] Core Set 2019 Prerelease Promos put it into your hand

put it into your hand

then sacrifices the rest

Set: Unlimited Edition Type: Sorcery Rarity: Rare Cost: {2}{U} Each player shuffles their hand and graveyard into their library

Set: Eternal Masters Type: Artifact Rarity: Mythic Cost: {0} At the beginning of your upkeep

Chromium, the Mutable [Core Set 2019 Prerelease Promos] Core Set 2019 Prerelease Promos put it into your handSet: 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.