Chromium, the Mutable (214s) [Core Set 2019 Promos] Fifth Dawn Set: Khans of Tarkir Type:

Set: Khans of Tarkir Type: Artifact Rarity: rare Cost: {1} Whenever another permanent you control enters

Set: Power Keepers Rarity: Common

Set: Base Set Rarity: Uncommon

you may return another permanent you control that shares a permanent type with it to its owner's hand

{T}: Add {W}

Chromium, the Mutable (214s) [Core Set 2019 Promos] Fifth Dawn Set: Khans of Tarkir Type:Set: Core Set 2019 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 becomes a Human with base power and toughness 1 1, loses all abilities, and gains hexproof. It can't be blocked this turn.