Nim Deathmantle + Ashnod's Altar + Genesis Chamber
Nim Deathmantle
Ashnod's Altar
Genesis Chamber
Infinite death triggersInfinite creature ETBInfinite creature LTBInfinite creature sacrifice triggers
How it works
Activate Ashnod's Altar by sacrificing any nontoken creature, adding CC.
The creature dies, triggering Nim Deathmantle, causing you to pay 4 to return the creature from your graveyard to the battlefield, and attach Nim Deathmantle to it.
The creature enters the battlefield, triggering Genesis Chamber, creating a 1/1 Myr artifact creature token.
Activate Ashnod's Altar by sacrificing the Myr, adding CC.