Flying

When Dorothea, Vengeful Victim attacks or blocks, sacrifice it at end of combat.

Disturb {1}{W}{U} (You may cast this card from your graveyard transformed for its disturb cost.)

Enchant creature

Enchanted creature has "Whenever this creature attacks, create a 4/4 white Spirit creature token with flying that's tapped and attacking. Sacrifice that token at end of combat."

If Dorothea's Retribution would be put into a graveyard from anywhere, exile it instead.