Ardoz, Cobbler of War, Mana Echoes, and Stonework Packbeast

Prerequisites

• Ardoz, Cobbler of War on the battlefield
• Mana Echoes on the battlefield
• Stonework Packbeast 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 Stonework Packbeast by paying , adding
6. Repeat

Results

• Infinite colored mana
• Infinite colorless mana
• Infinite creature tokens with haste
• Infinite ETB