Chromium, the Mutable [Core Set 2019 Prerelease Promos] Revised Edition Sacrifice this artifact: Add one

Sacrifice this artifact: Add one mana of any color

Yellow Scarves General can't block

Set: Beta Edition Type: Artifact Creature — Wall Rarity: Uncommon Cost: {4} Defender (This creature can't attack

Set: Guildpact Type: Land — Island Mountain Rarity: Rare ({T}: Add {U} or {R}

Put one pile into your hand and the other into your graveyard

Chromium, the Mutable [Core Set 2019 Prerelease Promos] Revised Edition Sacrifice this artifact: Add oneSet: 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.