Dihada with between three and seven loyalty counters).
Steps
Activate
Dihada's second loyalty ability by removing three loyalty counters from it, causing you to reveal the top four cards of your library, put them into your graveyard, and create four Treasure tokens.
Activate the Treasures by tapping and sacrificing them, adding ({1} magic symbol) ({R} magic symbol) ({W} magic symbol) ({B} magic symbol) .
Mayhem Devil triggers four times, dealing enough damage to
Dihada to cause it to be put into your graveyard, and dealing the remainder of the damage to any target(s).
Cast
Dihada from your graveyard for its escape cost by paying ({1} magic symbol) ({R} magic symbol) ({W} magic symbol) ({B} magic symbol) and exiling three cards from your graveyard.