Spectral Arcanist + Corpse Dance + Ashnod's Altar + Pitiless Plunderer

Spectral Arcanist

Corpse Dance

Ashnod's Altar

Pitiless Plunderer

How it works

1. Activate Ashnod's Altar by sacrificing Spectral Arcanist, adding CC.
2. Spectral Arcanist dies, triggering Pitiless Plunderer, creating a Treasure token.
3. Activate the Treasure token by tapping and sacrificing it, adding .
4. Cast Corpse Dance by paying 2, returning Spectral Arcanist from your graveyard to the battlefield with haste.
5. Spectral Arcanist enters the battlefield, triggering its ability.
6. Holding priority, activate Ashnod's Altar by sacrificing Spectral Arcanist, adding CC.
7. Spectral Arcanist dies, triggering Pitiless Plunderer, creating a Treasure token.
8. Resolve the Spectral Arcanist trigger, casting Corpse Dance from your graveyard with buyback by paying 2.
9. Resolve Corpse Dance, returning Spectral Arcanist from your graveyard to the battlefield, and returning Corpse Dance to your hand.
10. Spectral Arcanist enters the battlefield, allowing you to cast any instant or sorcery spell from your graveyard without paying its mana cost.
11. Repeat.