Requires

Stangg must be on the battlefield. Nim Deathmantle must be on the battlefield. Ashnod's Altar must be on the battlefield. Mana needed:

Steps

1. Activate Ashnod's Altar by sacrificing Stangg, adding .
2. When Stangg dies, Nim Deathmantle triggers, causing you to pay to return Stangg from your graveyard to the battlefield, and attach Nim Deathmantle to it.
3. When Stangg enters the battlefield, it triggers, creating a 3/4 Stangg Twin creature token.
4. Activate Ashnod's Altar by sacrificing the Stangg Twin, adding .
5. When the Stangg Twin token dies, Stangg triggers.
6. Holding priority, repeat from step 1.

Results