Eclipse, The Banecleaver

As an additional cost to cast this spell, sacrifice any number of creatures with different creature types.
When Eclipse, the Banecleaver enters the battlefield, exile all graveyards and place a binding counter on each card. Equipped creature gains
+X/+X where X equals the number of creature types among creatures exiled with binding counters on them. Whenever a creature would leave the battlefield, instead exile it with a binding counter on it.
When Eclipse, The Banecleaver leaves the battlefield, retur