Silent Arbiter [Conspiracy] Interrupt Set: Outlaws of Thunder Junction:

Set: Outlaws of Thunder Junction: The Big Score Type: Artifact — Clue Rarity: Mythic Cost: {2}{U} Whenever you sacrifice Esoteric Duplicator or another artifact

you should have called it a game

Set: Phyrexia: All Will Be One Type: Sorcery Rarity: Uncommon Cost: {1}{R} As an additional cost to cast this spell

denying us passage

Silent Arbiter [Conspiracy] Interrupt Set: Outlaws of Thunder Junction:Set: Conspiracy 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.