Trudge Garden, Ashnod's Altar, and Nadier's Nightblade

Prerequisites

• Trudge Garden on the battlefield
• Ashnod's Altar on the battlefield
• Nadier's Nightblade on the battlefield
• You have a way to gain life
• available

Steps

1. Gain any amount of life
2. Trudge Garden triggers, causing you to pay to create a 4/4 Fungus Beast creature token
3. Activate Ashnod's Altar by sacrificing the Fungus Beast, adding
4. The token leaves the battlefield, triggering Nadier's Nightblade, causing each opponent to lose 1 life and you to gain 1 life
5. Repeat from step 2

Results

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