Maralen of the Mornsong, and Opposition Agent

Prerequisites

• Maralen of the Mornsong on the battlefield
• Opposition Agent on the battlefield

Steps

1. At the beginning of your draw step, Maralen triggers, causing you to lose three life, then search your library for a card and put it into your hand
2. During each opponent's draw step, Maralen triggers, causing them to lose three life, then causing you to search their library for a card and exile it
3. You may play cards exiled this way due to Opposition Agent

Results

• Lock
• Players can't draw cards
• Exile a card of your choice from an opponent's library on each opponent's turn and you may cast that card