Recruiter Shark

+2: Recruit (Target up to 1, 2, or 3 creatures. They become soldiers in addition to their other types. Put a +1/+1 counter on each targeted creature)
-1: Shark (Soldiers you control gain Islandwalk and Vigilance until end of turn)
-10: Lead (Gain control of all Soldiers. Untap them and give them Haste, Vigilance, First Strike and +2/+2 Until end of turn)