A-Dorothea, Vengeful Victim

Legendary Creature — Spirit

Flying
When Dorothea, Vengeful Victim attacks or blocks, sacrifice it at end of combat.
Disturb (You may cast this card from your graveyard transformed for its disturb cost.)

4 / 4

A-Dorothea's Retribution

Enchantment — Aura

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.