Crok, Shaman of the Swamps

Hexproof, Reach, First Strike
Crok, Shaman of the Swamps gets +X/+X
Your hand size is increased by X
{2}{t} Shuffle your graveyard into your library,
you may play all cards in your hand without
paying the mana costs, then draw X cards
{b}{b}: Creatures you control gain +3/+3