Elemental Mastery, Galvanic Juggernaut, and Thermopod

Prerequisites

• Elemental Mastery on the battlefield
• Galvanic Juggernaut on the battlefield
• Thermopod on the battlefield
• Elemental Mastery attached to Galvanic Juggernaut
• Galvanic Juggernaut does not have summoning sickness

Steps

1. Activate Galvanic Juggernaut by tapping it, creating five 1/1 Elemental creature tokens with haste
2. Activate Thermopod's second ability by sacrificing an Elemental, adding
3. When the Elemental dies, Galvanic Juggernaut triggers, untapping Galvanic Juggernaut
4. Repeat

Results

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