Lich's Mastery, and Horizon Chimera

Prerequisites

• Lich's Mastery on the battlefield
• Horizon Chimera on the battlefield

Steps

1. Draw a card, either with your draw step or by casting a card draw spell, which triggers Horizon Chimeria and gains you a life
2. Gaining a life triggers Lich's Mastery, drawing a card
3. Repeat to draw your library
4. You do not lose the game after drawing your last card because Lich's Mastery is on the battlefield

Results

• Infinite card draw