Create a Treasure token. (It’s an artifact with “, Sacrifice this artifact: Add one mana of any color.”)
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Oracle
Sorcery
Create a Treasure token. (It’s an artifact with “, Sacrifice this artifact: Add one mana of any color.”)
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)