Turok, the Indomitable

Trample Reach
{2}{w}{u}{b}{r}{g}{t}; Exile all non-dinosaur creatures
on the battlefield, for each card exiled this way,
create a 4/4 green dinosaur creature token with trample and reach under your control. When ever
an opponent causes one of those tokens to leave
the battlefield you may play one of the cards they
own exiled by this ability without paying it's
mana cost.