Chromium, the Mutable [Core Set 2019 Prerelease Promos] Revised Edition Lost to time is the

Lost to time is the artificer's art of trapping light from a distant star in a ring of purest gold

Yellow Scarves General can't block

return it to the battlefield under its owner's control with a -1/-1 counter on it

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

Set: Mirrodin Besieged Type: Sorcery Rarity: Rare Cost: {X}{G} Search your library for a green creature card with mana value X or less

Chromium, the Mutable [Core Set 2019 Prerelease Promos] Revised Edition Lost to time is theSet: 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.