Overlord

Flying
{t} : Exile up to 3 creatures without flying that
you control. At the end of turn, if Overlord is on
the battlefield, return all creatures exiled this way
to the battlefield . Tokens exiled this way are not removed from the game.
{t} : Target creature gains haste or vigilance until
end of turn
{2}, {t}, Sacrifice Overlord : Create an
Overseer creature token.