Gretchen Titchwillow, Oboro Breezecaller, and Tolarian Academy

Prerequisites

• Gretchen Titchwillow on the battlefield
• Oboro Breezecaller on the battlefield
• Tolarian Academy on the battlefield

Steps

1. Activate Tolarian Academy by tapping it, adding at least
2. Activate a land that enters untapped by tapping it, adding at least
3. Activate Oboro Breezecaller by paying and returning the land that taps for from the battlefield to your hand, untapping Tolarian Academy
4. Activate Gretchen by paying , causing you to draw a card and put the land from step 3 onto the battlefield
5. Repeat

Results

• Infinite card draw
• Infinite draw triggers
• Near-infinite landfall triggers