Zombie Platypus

When Zombie Platypus enters the battlefield
take two cards from your graveyard and put them
into your hand.
{t}, {2}{g/u}, Take a card from your graveyard and
put it into your hand.
{t}, {4}{g/u}, Take a card from your graveyard and
put it on the battlefield tapped.
He will bring back his cousins again and again.