Calamity, Galloping Inferno, Biovisionary, and Kaya, Geist Hunter

Prerequisites

• Calamity, Galloping Inferno on the battlefield
• Biovisionary on the battlefield
• Kaya, Geist Hunter on the battlefield
• An opponent cannot block and kill creatures you control
• Kaya has at least two loyalty counters on it

Steps

1. Activate Kaya's second loyalty ability by removing two loyalty counters from it, causing you to double any tokens you create this turn
2. Activate Calamity's saddle ability by tapping Biovisionary, causing Calamity to become saddled until end of turn
3. Declare Calamity as an attacker
4. Calamity triggers, creating four token copies of Biovisionary that are tapped and attacking
5. At the beginning of your end step, Calamity triggers four times and each Biovisionary triggers
6. Resolve the first Biovisionary trigger, causing you to win the game

Results

• Win the game