Fain, the Broker + Ashnod's Altar + Haunted One + Relic of Legends

Prerequisites

• Fain is not your commander.
• Fain does not have summoning sickness.
• Your commander is on the battlefield and does not have a +1/+1 counter on it.

Steps

1. 1Activate Relic of Legends by tapping your commander, adding .
2. 2Your commander triggers, giving it +2/+0 and undying until end of turn.
3. 3Activate Ashnod's Altar by sacrificing your commander, adding .
4. 4When your commander dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
5. 5Activate Fain's second ability by tapping it and removing the +1/+1 counter from your commander, creating a Treasure artifact token.
6. 6Activate the Treasure by tapping and sacrificing it, adding .
7. 7Activate Fain's fourth ability by paying , untapping it.
8. 8Repeat.

Effects

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