Modern Age, the Mystical Keyword, has Flight, has Psychic Blast:
Circe from Arkham Asylum is great. Her disdain for men, being a female character, and all fits Morrigan quite well.
Failing that, the Adam Warlock Common from GG works great, as well...RS/PB and Perplex. I'm not sure about the damage reducers and ego-swapping, though.
Who Has Used The Bat Belt? (7-3 W/L)BM049 Socialist Red Guardsman(W); BM207 The Joker(L); D10a007 Nightwing(L); DKR023 Henri Ducard(W); FFBM002 Damian Wayne(W); CR010 Liberty Belle(W); NML002 Batgirl(L); BM103 The Batman of Zur-En-Arrh(W); TabApp-E Superman(W); SoG040 Deathstroke(W)