Alliance of Arms [Commander 2011] Scars of Mirrodin Promos −X: Return target nonlegendary creature

−X: Return target nonlegendary creature card with converted mana cost X from your graveyard to the battlefield

Set: Stronghold Type: Artifact Rare Cost: {3} Whenever a player plays a land

Set: Kaladesh Inventions Type: Artifact Mythic Cost: {5} As Gauntlet of Power enters the battlefield

Set: Mercadian Masques Type: Instant Rare Cost: {3}{U}{U} You may exile a blue card from your hand rather than pay this spell's mana cost

Chief Commander can't attack unless defending player controls an Island

Alliance of Arms [Commander 2011] Scars of Mirrodin Promos −X: Return target nonlegendary creatureSet: Commander 2011 Type: Sorcery Rare Cost: {W} Join forces Starting with you, each player may pay any amount of mana. Each player creates X 1 1 white Soldier creature tokens, where X is the total amount of mana paid this way.