Rubeus Hagrid

When Rubeus Hagrid enters the battlefield, create a 0/1 green Egg creature token with Defender.

At the beginning of your end step, if three or more creatures entered the battlefield under your control this turn you may create a 0/1 green Egg creature token with Defender.

{3}{r}{g}, Sacrifice an Egg: Reveal the top card of your library until you reveal a creature card, put it in your hand. Put the rest on the bottom of your library in a random order.