Ascension

All Angels on the battlefield get +1/+1. Angels without angelfire gain angelfire1.
{w}{w}{t}: Target 1 creature an opponent controls, tap it then summon a 1/1 angel token with flying onto the battlefield.
{r}{r}{t}: put 1 blaze counter on target creature.
{w}{r}: this card becomes a 3/3 colorless angel creature with flying. At the end of turn sacrifice this card.