Chromium, the Mutable [Core Set 2019 Prerelease Promos] Avatar At the beginning of each

At the beginning of each player's upkeep

and each map can have several scenarios set on it

search your library and/or graveyard for a card named Command Tower

don't travel at night

From their workshops come the greatest treasures and the best weapons in the whole known world of the North

Chromium, the Mutable [Core Set 2019 Prerelease Promos] Avatar At the beginning of eachSet: 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.