Ghostly Flicker + Mystic Sanctuary + Returned Pastcaller + Time Stretch

Mana needed: {8}{U} at most each turn

URW identity

Commander legal

The 4 combo pieces

• Ghostly Flicker
• Mystic Sanctuary
• Returned Pastcaller
• Time Stretch

What must be in place

You control at least four Islands.

How to execute it

1. Activate Mystic Sanctuary by tapping it, adding {U}.
2. Cast Time Stretch by paying its mana cost, causing you to take two extra turns after this one.
3. Move to your first extra turn.
4. Activate Mystic Sanctuary by tapping it, adding {U}.
5. Cast Ghostly Flicker by paying {2}{U}, blinking Mystic Sanctuary and Returned Pastcaller.
6. When Returned Pastcaller and Mystic Sanctuary enter the battlefield, they trigger.
7. Resolve the Returned Pastcaller trigger, returning Ghostly Flicker from your graveyard to your hand.
8. Resolve the Mystic Sanctuary trigger, putting Time Stretch from your graveyard onto the top of your library.
9. Move to your next turn, drawing Time Stretch during your draw step.
10. Repeat.

What the combo produces

• Infinite turns
• Lock
• Skip your draw steps