Triskelavus, Vigor, and Mana Echoes

Prerequisites

• Triskelavus on the battlefield
• Vigor on the battlefield
• Mana Echoes on the battlefield
• Triskelavus has at least one +1/+1 counter on it
• You control at least one Triskelavite
• available

Steps

1. Activate Triskelavus by paying and removing a +1/+1 counter from it, creating a 1/1 Triskelavite artifact creature token
2. The Triskelavite enters the battlefield, triggering Mana Echoes, adding for each Triskelavite you control
3. Activate a Triskelavite by sacrificing it, targeting Triskelavus
4. The damage that would be dealt to Triskelavus is prevented by Vigor, putting a +1/+1 counter on Triskelavus
5. Repeat

Results

• Infinite colorless mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers