Genestealer Patriarch, Blasting Station, Reyhan, Last of the Abzan, and Rikku, Resourceful Guardian

Prerequisites

• Genestealer Patriarch on the battlefield
• Blasting Station on the battlefield
• Reyhan, Last of the Abzan on the battlefield
• Rikku, Resourceful Guardian on the battlefield
• available

Steps

1. Declare Genestealer Patriarch as an attacker
2. Genestealer Patriarch's first ability triggers, putting an infection counter on a creature an opponent controls
3. Activate Rikku's ability by paying its cost, moving the infection counter from the opponent's creature onto a creature you control
4. Activate Blasting Station by tapping it and sacrificing the creature with an infection counter on it
5. When the creature dies, Reyhan and Genestealer Patriarch's second ability trigger
6. Resolve the Reyhan trigger, putting an infection counter onto another creature you control
7. Resolve the Genestealer Patriarch trigger, causing you to create a token copy of the sacrificed creature that is a Tyranid in addition to its other types
8. When the creature token enters, Blasting Station triggers, untapping itself
9. Resolve the Blasting Station ability, dealing 1 damage
10. Repeat from step 4

Results

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite damage
• Infinite death triggers