Viscera Seer, Furystoke Giant, and Thran Vigil

Prerequisites

• Viscera Seer on the battlefield
• Furystoke Giant on the battlefield
• Thran Vigil on the battlefield

Steps

1. Activate Viscera Seer by sacrificing Furystoke Giant
2. When Furystoke Giant dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it
3. Thran Vigil triggers, putting a +1/+1 counter on Furystoke Giant
4. Resolve the Viscera Seer ability
5. Repeat

Results

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