Thanna, Chosen of Halsey

Deathtouch, First Strike
Opponents may not cast spells from their
graveyards.
Whenever a creature enters the battlefield with
Power greater than Thanna, Chosen of Halsey's,
put a Hotness Counter on Thanna, Chosen of
Halsey. Creature spells with mana cost less than
the number of Hotness Counters on Thanna,
Chosen of Halsey cannot be cast.