Sekauvdi, Rimeland Sovereign

Flying, hexproof
Whenever you cast a noncreature spell,
you may pay {x}{w}{u}. If you do, return up to
X target nonland snow permanent cards
each with mana value X or less from your graveyard to the battlefield. If X is 6 or
more, you draw six cards and tap up to six permanents on the battlefield.