The Locust God, Symmetry Matrix, and Mana Echoes

Prerequisites

• The Locust God on the battlefield
• Symmetry Matrix on the battlefield
• Mana Echoes on the battlefield
• You have a way to draw a card

Steps

1. Draw a card
2. The Locust God triggers, creating a 1/1 Insect creature token with flying and haste
3. The Insect enters the battlefield, triggering Symmetry Matrix and Mana Echoes
4. Resolve the Mana Echoes trigger, adding for each Insect you control
5. Resolve the Symmetry Matrix trigger, causing you to pay to draw a card
6. Repeat from step 2

Results

• Infinite card draw
• Infinite draw triggers
• Near-infinite colorless mana
• Near-infinite creature tokens with haste
• Near-infinite ETB