Yedora, Grave Gardener, Ruthless Ripper, and Night of Souls' Betrayal

Prerequisites

• Yedora, Grave Gardener on the battlefield
• Ruthless Ripper in hand
• Night of Souls' Betrayal on the battlefield
• You have at least one additional black card in hand
• available

Steps

1. Cast Ruthless Ripper by paying
2. Ruthless Ripper dies as a state-based action due to having zero or less toughness
3. Yedora triggers, returning Ruthless Ripper to the battlefield face-down as a Forest land
4. Activate Ruthless Ripper by tapping it, adding
5. Activate Ruthless Ripper's morph ability by revealing a black card from your hand, turning it face-up
6. Ruthless Ripper triggers, causing target player to lose 2 life
7. Repeat from step 2

Results

• Infinite death triggers
• Infinite ETB
• Infinite green mana
• Infinite landfall triggers
• Infinite lifeloss
• Infinite LTB