Nim Deathmantle + Ashnod's Altar + Syndicate Messenger

Prerequisites

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Steps

1. 1Activate Ashnod's Altar by sacrificing Syndicate Messenger, adding .
2. 2When Syndicate Messenger dies, its afterlife ability and Nim Deathmantle trigger.
3. 3Resolve the Syndicate Messenger trigger, creating a 1/1 Spirit creature token.
4. 4Activate Ashnod's Altar by sacrificing the Spirit, adding .
5. 5Resolve the Nim Deathmantle trigger from step 2, causing you to pay to return Syndicate Messenger from your graveyard to the battlefield, and attach Nim Deathmantle to it.
6. 6Repeat.

Effects

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