Chromium, the Mutable [Core Set 2019 Prerelease Promos] Commander Search your library for a

Search your library for a green creature card and put it onto the battlefield

Enchanted creature gets -1/-0

Barrin is the teacher who trained the young Ertai

Return target permanent to its owner's hand

Set: Eventide Type: Creature — Faerie Wizard Rarity: Rare Cost: {3}{U} Flying

Chromium, the Mutable [Core Set 2019 Prerelease Promos] Commander Search your library for aSet: 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.