God-Eternal Kefnet + Jace, the Mind Sculptor + Time Stretch

God-Eternal Kefnet

Jace, the Mind Sculptor

Time Stretch

How it works

1. Activate Jace's zero loyalty ability, putting Time Stretch on top of your library.
2. Move to your next turn.
3. 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.
4. Cast the copy for 6, granting you two extra turns.