Patch Ivorywater

Bestow {2}{u}{u}{r}{r} (If you play this card for its
bestow cost, it enters the battlefield as an Aura with enhance creature. Enchanted creature has Ward 3, islandwalk, and swampwalk)
Acid Splash: Whenever Patch Ivorywater or enchanted creature blocks, you may distribute
up to five +0/-1 counters among any number of
creatures your opponent's control. A creature
cannot be reduced to 0 toughness in this way
prior to combat damage.