Yedora, Grave Gardener, Ruthless Ripper, and Carrion Feeder

Prerequisites

• Yedora, Grave Gardener on the battlefield
• Ruthless Ripper on the battlefield
• Carrion Feeder on the battlefield

Steps

1. Activate Carrion Feeder by sacrificing Ruthless Ripper When Ruthless Ripper dies, Yedora triggers, returning Ruthless Ripper from your graveyard to the battlefield face down as a Forest land
2. Resolve the Carrion Feeder ability Activate Ruthless Ripper's morph ability by revealing a black card from your hand, turning it face up
3. Repeat

Results

• Infinite +1/+1 counters on a creature
• Infinite LTB
• Infinite death triggers
• Infinite landfall triggers
• Infinite lifeloss
• Infinite sacrifice triggers