The Prydwen, Steel Flagship + Nim Deathmantle + Ashnod's Altar

Prerequisites

• You control at least one other nontoken artifact creature.

Steps

1. 1Activate Ashnod's Altar by sacrificing another nontoken artifact creature, adding .
2. 2When the artifact creature dies, Nim Deathmantle triggers, causing you to pay to return the artifact creature from your graveyard to the battlefield, and attach Nim Deathmantle to it.
3. 3When the artifact creature enters the battlefield, The Prydwen triggers, creating a 2/2 Human Knight creature token.
4. 4Activate Ashnod's Altar by sacrificing the Human Knight, adding .
5. 5Repeat.

Effects

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers