Scourge of Gardegap

Haste, First Strike
{1}{r}, Sacrifice a creature or an artifact: Put a
+1/+1 counter on Scourge of Gardegap. Activate
this ability only if Scourge of Gardegap is
attacking.
Remove four +1/+1 counters from Scourge of Gardegap: Transform Scourge of Gardegap.