God-Eternal Kefnet + Scroll Rack + Time Stretch
Mana needed: {7}{U}{U} each turn
U identity
Commander legal
The 3 combo pieces
How to execute it
- Tap Scroll Rack and pay {1} to activate it, putting Time Stretch on top of your library.
- Pass the turn.
- On your next draw step, when you draw Time Stretch, reveal it due to Kefnet's ability, making a copy that costs {2} less to cast.
- Cast the copy for {6}{U}{U}, granting you two extra turns.
What the combo produces
- Infinite turns
- Lock