Chromium, the Mutable
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.
About Chromium in Brawl
Chromium, the Mutable is a Black/Blue/White legendary creature legal as a commander in MTG Arena Historic Brawl. With Kiln you can forge a complete, rules-legal 100-card deck around Chromium in one click, balanced on mana curve and organized by role (ramp, card draw, removal, threats), with every card verified against the real Arena pool so nothing illegal or made-up slips in.
New to the format? Read how to build a Brawl deck.
Frequently asked questions
What color identity is Chromium, the Mutable?
Chromium, the Mutable's color identity is Black/Blue/White. Every card in its Brawl deck must fall within that identity.
Is Chromium, the Mutable legal as a Brawl commander?
Yes, Chromium, the Mutable is a legendary creature legal to command in MTG Arena Historic Brawl.
How many cards are in a Chromium Brawl deck?
Exactly 100: Chromium, the Mutable as the commander plus 99 different singleton cards within its color identity.