Maralen of the Mornsong, Beacon of Tomorrows, and Clearwater Goblet

Prerequisites

• Maralen of the Mornsong on the battlefield
• Beacon of Tomorrows in the library
• Clearwater Goblet on the battlefield
• Clearwater Goblet has at least three charge counters on it
• each turn available

Steps

1. At the beginning of your upkeep, Clearwater Goblet triggers, causing you to gain at least three life
2. At the beginning of your draw step, Maralen triggers, causing you to lose three life, then search your library for Beacon of Tomorrows and put it into your hand
3. Cast Beacon of Tomorrows by paying , causing you to take an extra turn after this one and shuflle Beacon of Tomorrows into your library
4. Repeat each turn

Results

• Infinite turns