Ith, High Arcanist, Ashaya, Soul of the Wild, and Chronic Flooding

Prerequisites

• Ith, High Arcanist on the battlefield
• Ashaya, Soul of the Wild on the battlefield
• Chronic Flooding on the battlefield
• Chronic Flooding attached to Ith
• Ith does not have summoning sickness

Steps

1. Declare Ith as an attacker
2. Activate Ith by tapping it, targeting itself
3. Chronic Flooding triggers, causing you to mill three cards
4. Resolve Ith's ability, untapping it
5. Repeat from step 2

Results

• Infinite self-mill