Voltaic Construct, Ashnod's Altar, and Elemental Mastery

Prerequisites

• Voltaic Construct on the battlefield
• Ashnod's Altar on the battlefield
• Elemental Mastery on the battlefield

Steps

1. Activate the artifact creature with Elemental Mastery attached by tapping it, creating a creature token
2. Activate Ashnod's Altar by sacrificing the creature token, adding
3. Activate Voltaic Construct by paying , untapping the artifact creature with Elemental Mastery attached
4. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers