Sliver Queen, and Mana Echoes

Prerequisites

• Sliver Queen on the battlefield
• Mana Echoes on the battlefield
• available

Steps

1. Activate Sliver Queen by paying , creating a 1/1 Sliver creature token
2. When the Sliver enters the battlefield, Mana Echoes triggers, adding for each Sliver you control
3. Repeat

Results

• Infinite colorless mana
• Infinite creature tokens
• Infinite ETB