Elemental Mastery, Chained Brute, and Mana Echoes

Prerequisites

• Elemental Mastery on the battlefield
• Chained Brute on the battlefield
• Mana Echoes on the battlefield
• Elemental Mastery attached to Chained Brute
• Chained Brute does not have summoning sickness
• It is your turn

Steps

1. Activate Chained Brute by tapping it, creating four 1/1 Elemental creature tokens with haste
2. The Elementals enter the battlefield, triggering Mana Echoes four times, adding for each Elemental you control
3. Activate Chained Brute by paying and sacrificing an Elemental, untapping Chained Brute
4. Repeat

Results

• Infinite colorless mana
• Infinite creature tokens with haste
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers