Ardoz, Cobbler of War, Mana Echoes, and Skirk Prospector

Prerequisites

• Ardoz, Cobbler of War on the battlefield
• Mana Echoes on the battlefield
• Skirk Prospector on the battlefield
• You control at least four Goblins
• available

Steps

1. Activate Ardoz by paying , creating a 1/1 Goblin creature token with haste
2. The Goblin enters the battlefield, triggering Ardoz and Mana Echoes
3. Resolve the Ardoz trigger, giving the Goblin +2/+0 until end of turn
4. Resolve the Mana Echoes trigger, adding for each Goblin you control
5. Activate Skirk Prospector by sacrificing the Goblin token, adding
6. Repeat

Results

• Infinite colorless mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers