God-Eternal Kefnet + Jace, the Mind Sculptor + Part the Waterveil

God-Eternal Kefnet

Jace, the Mind Sculptor

Part the Waterveil

How it works

1. Activate Jace's zero loyalty ability, putting Part the Waterveil on top of your library.
2. Pass the turn.
3. On your next draw step, when you draw Part the Waterveil, reveal it due to Kefnet's ability, making a copy that costs 2 less to cast.
4. Cast the copy for 2, granting you an extra turn.