Ghostly Flicker, Mystic Sanctuary, Time Warp, and Eternal Witness

Prerequisites

• Ghostly Flicker in hand
• Mystic Sanctuary on the battlefield
• Time Warp in hand
• Eternal Witness on the battlefield
• You control at least four Islands
• each turn available

Steps

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

Results

• Infinite turns
• Skip your draw step