Wedding Ring, Xyris, the Writhing Storm, Thallid Soothsayer, and Mana Echoes

Prerequisites

• Wedding Ring on the battlefield
• Xyris, the Writhing Storm on the battlefield
• Thallid Soothsayer on the battlefield
• Mana Echoes on the battlefield
• You control at least one additional creature, and at least one additional Snake
• It is your turn
• available

Steps

1. Activate Thallid Soothsayer by paying and sacrificing another creature, causing you to draw a card
2. An opponent's Wedding Ring's second ability triggers, causing them to draw a card
3. Xyris' first ability triggers, creating a 1/1 Snake creature token
4. When the Snake enters the battlefield, Mana Echoes triggers, adding for each Snake you control
5. Repeat
6. If you control two or more Snakes when you begin the combo, this combo will net near-infinite colorless mana

Results

• Infinite card draw
• Infinite card draw for opponents that control a Wedding Ring
• Infinite draw triggers
• Infinite draw triggers for opponents that control a Wedding Ring
• Near-infinite colorless mana
• Near-infinite death triggers
• Near-infinite ETB
• Near-infinite LTB
• Near-infinite sacrifice triggers