Puresight Merrow, Earthcraft, and Laboratory Maniac

Prerequisites

• Puresight Merrow on the battlefield
• Earthcraft on the battlefield
• Laboratory Maniac on the battlefield

Steps

1. Activate a basic Plains or Island by tapping it, adding Activate Earthcraft by tapping Puresight Merrow, untapping the basic Plains or Island
2. Activate Puresight Merrow by paying and untapping it, exiling the top card of your library
3. Repeat until your deck is empty Draw a card, causing you to win the game due to Laboratory Maniac

Results

• Exile your library
• Win the game