Tayam, Luminous Enigma, Cathodion, and Scarland Thrinax

Prerequisites

• Tayam, Luminous Enigma on the battlefield
• Cathodion on the battlefield
• Scarland Thrinax on the battlefield

Steps

1. Activate Scarland Thrinax by sacrificing Cathodion
2. Cathodion triggers, adding
3. Resolve the Scarland Thrinax ability, putting a +1/+1 counter on Scarland Thrinax
4. Activate Scarland Thrinax by sacrificing your persist/undying creature
5. The creature's persist/undying ability triggers, returning it to the battlefield with a vigilance counter and the appropriate choice of a +1/+1 or -1/-1 counter
6. Resolve the Scarland Thrinax ability, putting a +1/+1 counter on Scarland Thrinax
7. Activate Tayam by paying and removing both counters from your persist/undying creature and one counter from another creature, milling three cards and returning Cathodion from your graveyard to the battlefield
8. Repeat

Results

• Infinite +1/+1 counters on a creature
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite self-mill