21 Damage is a life counter app for Magic: The Gathering, tailored for EDH (Commander) multiplayer games. FEATURES: - 6, 4, 3, 2 and Single Player tracking support. - Simple life counter. - Commander Damage counters for each player. - Mana counters on Single Player view. - Substract/Add 5 lives at a time. - Players are defeated when Life Total reaches 0 or Commander Damage reaches 21