Horobi, Death's Wail, and Baldin, Century Herdmaster

Prerequisites

• Horobi, Death's Wail on the battlefield
• Baldin, Century Herdmaster on the battlefield
• Baldin does not have summoning sickness

Steps

1. Declare Baldin as an attacker
2. Baldin triggers, targeting up to 100 creatures
3. Horobi triggers for each creature targeted this way, destroying them
4. You may repeat this during each of your turns

Results

• Destroy up to 100 creatures during each of your turns