Trudge Garden, Ashnod's Altar, Mirkwood Bats, and Bloodthirsty Conqueror

Prerequisites

• Trudge Garden on the battlefield
• Ashnod's Altar on the battlefield
• Mirkwood Bats on the battlefield
• Bloodthirsty Conqueror on the battlefield
• You control a creature token

Steps

1. Activate Ashnod's Altar by sacrificing a creature token, adding
2. Mirkwood Bats triggers, causing each opponent to lose 1 life
3. Bloodthirsty Conqueror triggers for each opponent
4. Resolve the first trigger, causing you to gain 1 life
5. Trudge Garden triggers, causing you to pay to create a 4/4 Fungus Beast creature token
6. Mirkwood Bats triggers, causing each opponent to lose 1 life
7. Bloodthirsty Conqueror triggers for each opponent
8. Holding priority, repeat from step 1
9. Resolve all remaining Bloodthirsty Conqueror triggers, causing you to gain that much life, choosing not to pay for the Trudge Garden triggers in between

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite lifegain triggers
• Infinite lifegain
• Infinite lifeloss