Shantotto, Tactician Magician, Mind Over Matter, Empowered Autogenerator, and Lab Rats

Prerequisites

• Shantotto, Tactician Magician on the battlefield
• Mind Over Matter on the battlefield
• Empowered Autogenerator on the battlefield
• Lab Rats in hand

Steps

1. Activate Empowered Autogenerator by tapping it, putting a charge counter on it and adding for each charge counter on it
2. Cast Lab Rats with buyback by paying
3. Shantotto triggers, giving it +5/+0 until end of turn and causing you to draw a card
4. Resolve Lab Rats
5. Activate Mind Over Matter by discarding a card, untapping Empowered Autogenerator
6. Repeat

Results

• Infinite self-discard triggers
• Infinite draw triggers
• Infinite looting
• Near-infinite storm count
• Near-infinite magecraft triggers
• Near-infinite colored mana
• Near-infinite charge counters on Empowered Autogenerator
• Near-infinitely powerful creature until end of turn
• Near-infinite ETB
• Near-infinite creature tokens