Shao Jun, Olivia's Attendants, and Agatha's Soul Cauldron

Prerequisites

• Shao Jun in exile
• Olivia's Attendants on the battlefield
• Agatha's Soul Cauldron on the battlefield
• Olivia's Attendants has a +1/+1 counter on it
• You control two untapped artifacts
• You have two or more opponents

Steps

1. Activate Olivia's Attendants using Shao Jun's ability by tapping two artifacts, dealing 1 damage to each opponent
2. Olivia's Attendants triggers, creating a Blood token for each point of damage dealt by it
3. Repeat

Results

• Near-infinite damage
• Near-infinite tapped Blood tokens