Nim Deathmantle + Ashnod's Altar + Elder Auntie

Nim Deathmantle

Ashnod's Altar

Elder Auntie

How it works

1. Activate Ashnod's Altar by sacrificing Elder Auntie, adding CC.
2. When Elder Auntie dies, Nim Deathmantle triggers, causing you to pay 4 to return Elder Auntie from your graveyard to the battlefield and attach Nim Deathmantle to it.
3. When Elder Auntie enters, it triggers, creating a creature token.
4. Activate Ashnod's Altar by sacrificing a creature token, adding CC.
5. Repeat.