
Look at the top four cards of your library. Put one of them into your hand and the rest into your graveyard.
Flashback {6}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Forbidden Alchemy has 15 printings, first in Innistrad (2011). EDHREC ranks it #5,241 among Commander cards. It appears most in Teval, the Balanced Scale decks (8,145 on EDHREC). 3 public decks on TCG run it. It has 7 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.