Viscera Seer, and Hardened Academic

Prerequisites

• Viscera Seer on the battlefield
• Hardened Academic on the battlefield

Steps

1. Activate Viscera Seer by sacrificing the creature with persist
2. When that creature 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 that creature
4. Remove a +1/+1 counter and a -1/-1 counter from that creature as a state-based action
5. Resolve the Viscera Seer ability from step 1
6. Repeat

Results

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