
{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast an Assassin spell or a spell that has freerunning, or to activate an ability of an Assassin source.
Brotherhood Headquarters has 2 printings, first in Assassin's Creed (2024). EDHREC ranks it #5,831 among Commander cards. It appears most in Ezio Auditore da Firenze decks (13,932 on EDHREC). It has 2 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.