Oren'Gaff, Restless Ancient

This spell costs {2} less to cast for each card you
exile from your hand as you are casting it.
Reach, Ward - Sacrifice a land.
Oren'Gaff, Restless Ancient enters the battlefield
with {x} +1/+1 counters on it.
When Oren'Gaff, Restless Ancient enters the battlefield, each player and non-flying creature
takes {x} damage.
Discard a Land card: Regenerate Oren'Gaff,
Restless Ancient.