Cast Ajani by paying {3}{G}{W}, which enters the battlefield with eight loyalty counters due to Vorinclex.
Activate Ajani's third loyalty ability by removing eight loyalty counters from it.
Ajani dies as a state-based action due to having zero loyalty.
Resolve the Ajani ability, causing you to gain 100 life.
Activate Pestilent Cauldron's second ability by paying {1} and tapping it, causing each opponent to mill cards equal to the amount of life you gained this turn.

Infinite mill

Near-infinite lifegain

Ajani, Mentor of Heroes

Pestilent Cauldron // Restorative Burst

Vorinclex, Monstrous Raider

Cast Ajani by paying {3}{G}{W}, which enters the battlefield with eight loyalty counters due to Doubling Season.
Activate Ajani's third loyalty ability by removing eight loyalty counters from it.
Ajani dies as a state-based action due to having zero loyalty.
Resolve the Ajani ability, causing you to gain 100 life.
Activate Pestilent Cauldron's second ability by paying {1} and tapping it, causing each opponent to mill cards equal to the amount of life you gained this turn.

Combos with "Ajani, Mentor of Heroes"