Nim Deathmantle + Phyrexian Altar + Hallowed Spiritkeeper

Prerequisites

• You have at least four creature cards in your graveyard.

Steps

1. 1Activate Phyrexian Altar by sacrificing Hallowed Spiritkeeper, adding .
2. 2Hallowed Spiritkeeper dies, triggering itself and Nim Deathmantle.
3. 3Resolve the Hallowed Spiritkeeper trigger, creating at least four 1/1 Spirit creature tokens.
4. 4Activate Phyrexian Altar three times by sacrificing three Spirits, adding .
5. 5Resolve the Nim Deathmantle trigger from step 2, causing you to pay to return Hallowed Spiritkeeper from your graveyard to the battlefield, and attach Nim Deathmantle to it.
6. 6Repeat.

Effects

• Infinite colored mana
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite creature tokens
• Infinite death triggers