Murgor, Stampede Herald

Whenever you cast a Giant spell, create a 4/4 red Giant creature token with haste.
Whenever one or more Giant creatures you control deals combat damage to a player, you may look at the top card of your library. If it's a Giant card or land, you may put it onto the battlefield under your control. If you do not put a card into play this way, put it on the bottom of your library.