Basri's Lieutenant, Securitron Squadron, and Viscera Seer

Prerequisites

• Basri's Lieutenant on the battlefield
• Securitron Squadron on the battlefield
• Viscera Seer on the battlefield

Steps

1. Activate Viscera Seer by sacrificing a creature with at least one +1/+1 counter
2. Basri's Lieutenant triggers, creating a 2/2 Knight creature token
3. When the Knight token enters the battlefield, Securitron Squadron triggers, putting a +1/+1 counter on the Knight
4. Resolve the Viscera Seer ability, causing you to scry 1
5. Repeat

Results

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