Trudge Garden, Ashnod's Altar, and Angelic Chorus

Prerequisites

• Trudge Garden on the battlefield
• Ashnod's Altar on the battlefield
• Angelic Chorus 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. The Fungus Beast enters the battlefield, triggering Angelic Chorus
4. Holding priority, activate Ashnod's Altar by sacrificing the Fungus Beast, adding
5. Resolve the Angelic Chorus trigger, causing you to gain life equal to the Fungus Beast's toughness
6. Repeat from step 2

Results

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