Realmshaper Primodial

Flying
—Whenever Realmshaper Primodial enters the battlefield, sacrifice it unless you pay {u}.
—Realmshaper Primodial's power is equal to the
cards you drew this turn.
—Whenever you cast Realmshaper Primodial,
you may discard two cards. If you do draw three
cards then, if six or more cards where drawn
this turn you cast up to two spells without
paying their mana cost and gain 6 life.