Hardened Academic + Thermopod + Twilight Shepherd

RW identity

Commander legal

The 3 combo pieces

• Hardened Academic
• Thermopod
• Twilight Shepherd

How to execute it

1. Activate Thermopod by sacrificing Twilight Shepherd.
2. When Twilight Shepherd dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
3. Hardened Academic triggers, putting a +1/+1 counter on Twilight Shepherd.
4. Repeat.

What the combo produces

• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite red mana
• Infinite sacrifice triggers