Korvold, Fae-Cursed King, Mortuary, and Reckless Barbarian

Prerequisites

• Korvold, Fae-Cursed King on the battlefield
• Mortuary on the battlefield
• Reckless Barbarian on the battlefield

Steps

1. Activate Reckless Barbarian by sacrificing it, adding
2. Korvold's second ability and Mortuary trigger
3. Resolve the Mortuary trigger, putting Reckless Barbarian on top of your library from your graveyard
4. Resolve the Korvold trigger, putting a +1/+1 counter on it and causing you to draw Reckless Barbarian from the top of your library
5. Cast Reckless Barbarian by paying
6. Repeat

Results

• Infinite +1/+1 counters on Korvold
• Infinite death triggers
• Infinite draw triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite storm count