Arm with Aether

(T: Add U.)

+4: Target player exiles a card from their hand. −3: Exile target permanent. −14: Restart the game, leaving in exile all non-Aura permanent cards exiled with Karn. Then put those cards onto the battlefield under your control.

(W/P can be paid with either W or 2 life.) Target artifact or creature you control gains protection from artifacts or from the color of your choice until end of turn.

When this creature enters, you may return target Equipment card from your graveyard to the battlefield. If you do, you may attach it to this creature.

When this creature enters, create a 3/3 colorless Phyrexian Golem artifact creature token. Golems you control have first strike.

(W/P can be paid with either W or 2 life.) Defender When this creature dies during combat, it deals 6 damage to each creature it blocked this combat.

You may reveal this card from your opening hand. If you do, when each opponent casts their first spell of the game, counter that spell unless that player pays 1. Flying Whenever an opponent casts a spell, counter it unless that player pays 1.

Tap target creature. Metalcraft — If you control three or more artifacts, exile that creature.