Chromium, the Mutable [Core Set 2019 Prerelease Promos] Magic Player Rewards 2008 you may put target creature

you may put target creature card from an opponent's graveyard onto the battlefield under your control

Set: Arabian Nights Type: Creature — Human Rarity: Uncommon Cost: {W} When Abu Ja'far dies

Set: Amonkhet Invocations Type: Instant Rarity: Mythic Cost: {U} Change the target of target spell with a single target unless that spell's controller pays {2}

remove a scream counter from it

Chromium, the Mutable [Core Set 2019 Prerelease Promos] Magic Player Rewards 2008 you may put target creatureSet: 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.