
Whenever a creature you control attacks or enters attacking, you may pay {1}{R}. If you do, you may put a creature card with mana value less than that creature's mana value from your hand onto the battlefield tapped and attacking.
Arni Metalbrow has 5 printings, first in March of the Machine: The Aftermath (2023). EDHREC ranks it #11,184 among Commander cards. It appears most in Arthur, Marigold Knight decks (2,181 on EDHREC). It has 3 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.