Unctus, Grand Metatect, and Tidewater Minion

Prerequisites

• Unctus, Grand Metatect on the battlefield
• Tidewater Minion on the battlefield
• Tidewater Minion does not have summoning sickness

Steps

1. Activate Tidewater Minion's second ability by tapping it, targeting itself
2. Tidewater Minion triggers, causing you to loot
3. Resolve the Tidewater Minion trigger, untapping it
4. Repeat

Results

• Infinite draw triggers
• Infinite looting
• Infinite self-discard triggers