Garth One-Eye, Nim Deathmantle, Lightning Greaves, and Ashnod's Altar

Prerequisites

• Garth One-Eye on the battlefield
• Nim Deathmantle on the battlefield
• Lightning Greaves on the battlefield
• Ashnod's Altar on the battlefield
• Lightning Greaves attached to Garth One-Eye

Steps

1. Activate Garth One-Eye by tapping it, choosing Black Lotus
2. Cast the copy of Black Lotus
3. Activate Black Lotus by tapping and sacrificing itself, adding three mana of any one color
4. Activate Ashnod's Altar by sacrificing Garth One-Eye, adding
5. Garth One-Eye dies, triggering Nim Deathmantle, causing you to pay to return Garth One-Eye from your graveyard to the battlefield, and attach Nim Deathmantle to it
6. Activate Lightning Greaves's equip ability by paying , attaching it to Garth One-Eye
7. Repeat

Results

• Infinite card draw
• Infinite colored mana
• Infinite colorless mana
• Infinite creature tokens
• Infinite ETB
• Infinite LTB
• Infinite storm count