Prerequisites
- Blood Vassal in exile
- Cryptic Trilobite in exile
- Endling in exile
- Mairsil, the Pretender on the battlefield
- Mairsil does not have a +1/+1 counter on it
- available
Steps
- Activate Mairsil using Endling's third ability by paying , giving Mairsil undying until end of turn
- Activate Mairsil using Blood Vassal's ability by sacrificing it, adding
- Mairsil dies, triggering its undying ability, returning it from your graveyard to the battlefield with a +1/+1 counter on it
- Activate Mairsil using Cryptic Trilobite's first ability by removing a +1/+1 counter from it, adding that can only be spent to activate abilities
- Repeat
Results
- Infinite black mana
- Infinite colorless mana that can only be spent to activate abilities
- Infinite death triggers
- Infinite ETB
- Infinite LTB
- Infinite sacrifice triggers
Required Cards 4
Blood Vassal
Creature — Thrull
Cryptic Trilobite
Creature — Trilobite
Endling
Creature — Zombie Shapeshifter
Mairsil, the Pretender
Legendary Creature — Human Wizard