Mystic Sanctuary + Kefnet the Mindful + Time Warp

Mystic Sanctuary

Kefnet the Mindful

Time Warp

How it works

1. Cast Time Warp by paying 3, getting an extra turn after this one.
2. Play Mystic Sanctuary to put Time Warp on top of your library.
3. Activate Kefnet the Mindful by paying 3, causing you to draw a card and returning Mystic Sanctuary to your hand.
4. Move to your next turn.
5. Repeat.