Nim Deathmantle + Ashnod's Altar + Xorn + Skullport Merchant

Prerequisites

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Steps

1. 1Activate Ashnod's Altar by sacrificing Skullport Merchant, adding .
2. 2Skullport Merchant dies, triggering Nim Deathmantle, causing you to pay to return Skullport Merchant from your graveyard to the battlefield, and attach Nim Deathmantle to it.
3. 3Skullport Merchant enters the battlefield, creating two Treasure tokens.
4. 4Activate two Treasure tokens by tapping and sacrificing those, adding two mana of any color.
5. 5Repeat.

Effects

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