Blood Artist + Reassembling Skeleton + Carnival of Souls + Phyrexian Altar

Prerequisites

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Steps

1. 1Activate Phyrexian Altar by sacrificing Reassembling Skeleton, adding one mana of any color.
2. 2Blood Artist trigger, causing target player to lose 1 life and gaining you 1 life.
3. 3Activate Reassembling Skeleton by paying , returning it to the battlefield.
4. 4Reassembling Skeleton enters the battlefield triggering Carnival of Souls.
5. 5Resolve the Carnival of Souls trigger by losing one life and adding .
6. 6Repeat.

Effects

• Infinite damage
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers