Soul Net, Trudge Garden, Ashnod's Altar, and Primal Vigor

Prerequisites

• Soul Net on the battlefield
• Trudge Garden on the battlefield
• Ashnod's Altar on the battlefield
• Primal Vigor on the battlefield
• You control at least two additional creatures

Steps

1. Activate Ashnod's Altar twice by sacrificing two creatures, adding
2. The creatures die, triggering Soul Net twice
3. Resolve the first trigger, choosing not to pay
4. Resolve the second trigger, causing you to pay to gain 1 life
5. Trudge Garden triggers, causing you to pay to create two 4/4 Fungus Beast creature tokens
6. Repeat

Results

• Infinite colorless mana
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite lifegain
• Infinite lifegain triggers
• Infinite LTB
• Infinite sacrifice triggers