Eligeth, Crossroads Augur, Curator of Mysteries, and Noose Constrictor

Prerequisites

• Eligeth, Crossroads Augur on the battlefield
• Curator of Mysteries on the battlefield
• Noose Constrictor on the battlefield

Steps

1. Activate Noose Constrictor by discarding a card
2. Curator of Mysteries triggers, causing you to draw a card due to Eligeth
3. Resolve the Noose Constrictor ability, giving it +1/+1 until end of turn
4. Repeat

Results

• Infinite draw triggers
• Infinite rummaging
• Infinite self-discard triggers
• Near-infinitely large Noose Constrictor until end of turn