God-Eternal Kefnet + Jace, the Mind Sculptor + Temporal Trespass

Mana needed: {6}{U}{U}{U} each turn

U identity

Commander legal

The 3 combo pieces

How to execute it

  1. Activate Jace's zero loyalty ability, putting Temporal Trespass on top of your library.
  2. Pass the turn.
  3. On your next draw step, when you draw Temporal Trespass, reveal it due to Kefnet's ability, making a copy that costs {2} less to cast.
  4. Cast the copy for {6}{U}{U}{U}, granting you an extra turn.

What the combo produces