Raksagrak, Whispering King

When Raksagrak enters the battlefield, gain
control of target creature an opponent controls.
Flying, Hexproof
Ward - Raksagrak's controller gains control of
target creature you control
{b}{r}{5}{t}: gets +X/+X until end of turn, where
X equals the amount of permanents target
opponent owns under your control, and deals
damage equal to its power to that opponent.