Silent Arbiter [Commander Masters] Demon Berserker pay life equal to its

pay life equal to its mana value rather than pay its mana cost

Loecana Symbol Backing

the Thran ironworks still occasionally sputter to life

or becomes the target of a spell

Mold Earth — Whenever one or more lands enter the battlefield under an opponent's control without being played

Silent Arbiter [Commander Masters] Demon Berserker pay life equal to itsSet: Commander Masters Type: Artifact Creature Construct Rarity: Rare Cost: {4} No more than one creature can attack each combat. No more than one creature can block each combat. Scholars say that arbiters exist on every world, created by an unknown hand to enforce justice.