Missy, Carrion Feeder, and Ruthless Ripper

Prerequisites

• Missy on the battlefield
• Carrion Feeder on the battlefield
• Ruthless Ripper on the battlefield
• You have at least one black card in hand

Steps

1. Activate Carrion Feeder by sacrificing Ruthless Ripper
2. When Ruthless Ripper dies, Missy's first ability triggers, returning Ruthless Ripper from your graveyard to the battlefield face down as a 2/2 Cyberman artifact creature
3. Resolve the Carrion Feeder ability, putting a +1/+1 counter on it
4. Activate Ruthless Ripper's morph ability by revealing a black card from your hand, turning it face up
5. Ruthless Ripper triggers, causing target player to lose 2 life
6. Repeat

Results

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