Masked Jester

When Masked Jester enters the battlefield, target
creature an opponent controls becomes fooled
for as long as you control Masked Jester. (A
fooled creature can't attack you or a planeswalker
you control.)
{4}{b}{r},{t}: Gain control of target fooled creature
until end of turn. Untap it, it gains haste until
end of turn.
"You're mine now."