Akroma, ascended angel

+1: creatures you control gain flying and +1/+0 until end of turn, then create a 0/2 soldier creature token with defender
-X: you get an emblam with "creature cards you own with converted mana cost X can't be countered"
-7: you get an emblam with "creatures you control have flying, first strike, vigilance, trample, haste, and protection from black and red"