Unctus, Grand Metatect, Urza, Lord High Artificer, Mind Over Matter, and Alhammarret's Archive

Prerequisites

• Unctus, Grand Metatect on the battlefield
• Urza, Lord High Artificer on the battlefield
• Mind Over Matter on the battlefield
• Alhammarret's Archive on the battlefield

Steps

1. Activate Urza by tapping Unctus, adding
2. Activate Unctus by paying , causing Urza to become an artifact until end of turn
3. Activate Urza by tapping itself, adding
4. Urza triggers, causing you to draw two cards and discard a card
5. Activate Mind over Matter by discarding a card, untapping Urza
6. Repeat

Results

• Infinite draw triggers
• Infinite looting
• Infinite self-discard triggers
• Near-infinite blue mana