At the beginning of combat on your turn, if you control each creature on the battlefield with the greatest power, gain control of target creature an opponent controls until end of turn. Untap that creature. It gains haste until end of turn. (It can attack and this turn.)
An oath of fealty sworn with a handshake.
Magic 2015 Core Set (M15)
Illustrated by: Mark Winters
Multiverse ID: 383310