Idris, Soul of the TARDIS + Lithoform Engine + Basalt Monolith + Sphinx's Disciple + Liquimetal Torque

Idris, Soul of the TARDIS

Lithoform Engine

Basalt Monolith

Sphinx's Disciple

Liquimetal Torque

How it works

1. Activate Liquimetal Torque's second ability by tapping it, causing Sphinx's Disciple to become an artifact until end of turn.
2. Cast Idris either from your hand or from the command zone by paying 1 and commander tax, if applicable.
3. When Idris enters the battlefield, its imprint ability triggers, targeting Sphinx's Disciple.
4. Holding priority, activate Lithoform Engine's first ability by paying 2 and tapping it, copying Idris' trigger, targeting Basalt Monolith.
5. Resolve both Idris triggers, exiling Basalt Monolith and Sphinx's Disciple.
6. During your next turn, activate Idris using Basalt Monolith's first ability by tapping it, adding CCC.
7. Activate Idris using Basalt Monolith's second ability by paying 3, untapping it.
8. Sphinx's Disciple triggers, causing you to draw a card.
9. Repeat from step 6.

This clever loop turns Idris, Soul of the TARDIS into a powerhouse by using Liquimetal Torque to temporarily turn Sphinx's Disciple into an artifact, allowing Idris to imprint both it and Basalt Monolith simultaneously with the help of a copied trigger from Lithoform Engine. Once exiled, Idris gains the mana-producing and untapping abilities of Basalt Monolith alongside the inspired card-drawing trigger of Sphinx's Disciple. By repeatedly tapping and untapping the imprinted Basalt Monolith ability, you can generate an infinite loop of card draw to overwhelm the table.