为 Eiganjo, Seat of the Empire 寻找最佳的Pioneer套牌，包括其胜率、热度，以及该牌在万智牌：竞技场中的合法赛制！
: Add .
Channel — , Discard this card: It deals 4 damage to target attacking or blocking creature. This ability costs less to activate for each legendary creature you control.
