Wave of Mercury

Surge {u}{u}{r}{r}
Wave of Mercury deals 1 damage to each creature you don't control. Tap each creature dealt damage in this way.
You may cast Wave of Mercury at Instant speed for its Surge cost.
The disciples of the Argent Moon master the magics of alchemy. While the simpleton would use this power to turn lead to gold, Argent wizards are much more inventive.