Prerequisites
- Mairsil, the Pretender on the battlefield
- Endling in exile
- Cauldron of Souls in exile
- Blood Vassal in exile
- Mass Hysteria on the battlefield
Steps
- Activate Mairsil using Cauldron of Souls' ability by tapping it, giving itself persist until end of turn
- Activate Mairsil using Blood Vassal's ability by sacrificing it, adding
- When Mairsil dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it
- 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
- When Mairsil dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it
- Repeat
Results
Required Cards 5
Mairsil, the Pretender
Legendary Creature — Human Wizard
Endling
Creature — Zombie Shapeshifter
Blood Vassal
Creature — Thrull