Hardened Academic + Putrid Goblin + Viscera Seer

RWB identity

Commander legal

The 3 combo pieces

• Hardened Academic
• Putrid Goblin
• Viscera Seer

How to execute it

1. Activate Viscera Seer by sacrificing Putrid Goblin.
2. When Putrid Goblin 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 Putrid Goblin.
4. Resolve the Viscera Seer ability.
5. Repeat.

What the combo produces

• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers
• Infinite scry 1