Eligeth, Crossroads Augur, Curator of Mysteries, and Psychic Frog

Prerequisites

• Eligeth, Crossroads Augur on the battlefield
• Curator of Mysteries on the battlefield
• Psychic Frog on the battlefield
• You have at least one card in hand

Steps

1. Activate Psychic Frog's first ability by discarding a card
2. Curator of Mysteries triggers, causing you to draw a card due to Eligeth
3. Resolve the Psychic Frog ability, putting a +1/+1 counter on it
4. Repeat

Results

• Infinite draw triggers
• Infinite rummaging
• Infinite self-discard triggers
• Near-infinite +1/+1 counters on Psychic Frog