Divine Decree {3}{W}{B}
Sorcery
Choose two nonland permanent types. Exile each permanent that's at least one of the chosen types.
Flashback {8}{W}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Flashback {8}{W}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)