Aba the Jealous Monster

Haste, Trample, Vilgilance, Menace

When Aba the Jealous enters the battlefield, put X +1/+1 counters and X Rage counters, where X is the number Blood Token sacrificed

On you upkeep, remove a rage counter

When loses all rage counters, remove all +1/+1 counters and Exile her and return her to the battlefield transformed