Hydrok, Blue Mana God

When Hydrok enters the Battlefield, You gain 3 life.
{u} Play 3 {u} cards from your hand. Stacks.
{u}{u} Look at your opponents hand,
take 2 cards and put them into your graveyard.
{u}{u}{u} Play all the cards in your hand onto the Battlefield untapped until end of turn.