Liliana, Untouched by Death, Shambling Ghast, and Carrion Feeder

Prerequisites

• Liliana, Untouched by Death on the battlefield
• Shambling Ghast on the battlefield
• Carrion Feeder on the battlefield
• Liliana has at least three loyalty counters

Steps

1. Activate Liliana's third loyalty ability by removing three loyalty counters from it, allowing you to cast Zombie spells from your graveyard this turn
2. Activate Carrion Feeder by sacrificing Shambling Ghast
3. Shambing Ghast dies, creating a Treasure token
4. Resolve the Carrion Feeder ability, putting a +1/+1 counter on it
5. Activate the Treasure token by tapping and sacrificing it, adding
6. Cast Shambling Ghast from your graveyard by paying
7. Repeat from step 2

Results

• Infinite +1/+1 counters on Carrion Feeder
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite storm count