Disa the Restless, Cloudstone Curio, and Birgi, God of Storytelling // Harnfel, Horn of Bounty

Prerequisites

• Disa the Restless on the battlefield
• Cloudstone Curio on the battlefield
• Birgi, God of Storytelling // Harnfel, Horn of Bounty on the battlefield
• You control at least one nontoken nonartifact Lhurgoyf
• You have at least one nonartifact Lhurgoyf creature card in hand

Steps

1. Activate Harnfel by discarding a nonartifact Lhurgoyf card
2. Disa the Restless' first ability triggers, putting the discarded Lhurgoyf from your graveyard onto the battlefield
3. When the Lhurgoyf enters the battlefield, Cloudstone Curio triggers, returning another nontoken nonartifact Lhurgoyf from the battlefield to your hand
4. Resolve the Harnfel ability from step 1, causing you to exile the top two cards of your library with the ability to play them until end of turn
5. Repeat

Results

• Exile your library with the ability to play the exiled cards until end of turn
• Infinite ETB
• Infinite LTB
• Infinite self-discard triggers