Arm with Aether
New Phyrexia — uncommon
Sorcery
Arm with Aether rulings:
2011-06-01: Only creatures you control on the battlefield when Arm with Aether resolves gain the ability. Creatures you gain control of later in the turn won’t be affected.
2011-06-01: The affected creatures keep the ability even if another player gains control of them that turn. If such a creature deals damage to you, the ability will trigger, targeting a creature you control.
2011-06-01: The granted ability triggers on all damage dealt by the creature to one of your opponents, not just combat damage.
2011-06-01: In a multiplayer game, if an affected creature deals damage to two of your opponents simultaneously, the ability will trigger twice.