Korvold, Fae-Cursed King, Golgari Thug, Pitiless Plunderer, and Ashnod's Altar

Prerequisites

• Korvold, Fae-Cursed King on the battlefield
• Golgari Thug on the battlefield
• Pitiless Plunderer on the battlefield
• Ashnod's Altar on the battlefield

Steps

1. Activate Ashnod's Altar by sacrificing Golgari Thug, adding
2. When Golgari Thug dies, it, Pitiless Plunderer and Korvold's second ability trigger
3. Resolve the Golgari Thug trigger, putting it on top of your library from your graveyard
4. Resolve the Pitiless Plunderer trigger, creating a Treasure token
5. Resolve the Korvold trigger, putting a +1/+1 counter on it and causing you to draw Golgari Thug from the top of your library
6. Activate the Treasure by tapping and sacrificing it, adding
7. Cast Golgari Thug by paying
8. Repeat
9. If desired, you may instead use Golgari Thug's dredge ability to return it to your hand to mill your library

Results

• Infinite +1/+1 counters on Korvold
• Infinite colorless mana
• Infinite death triggers
• Infinite draw triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite self-mill
• Infinite storm count