Magda, Brazen Outlaw, Tidewater Minion, and Oko, Lorwyn Liege // Oko, Shadowmoor Scion

Prerequisites

• Magda, Brazen Outlaw on the battlefield
• Tidewater Minion on the battlefield
• Oko, Lorwyn Liege // Oko, Shadowmoor Scion on the battlefield

Steps

1. Activate Oko's first loyalty ability by putting two loyalty counters on it, causing Tidewater Minion to gain all creature types
2. Activate Tidewater Minion by tapping it, targeting itself
3. Magda triggers, creating a Treasure token
4. Resolve the Tidewater Minion ability, untapping it
5. Repeat from step 2

Results

• Infinite Treasure tokens
• Infinite colored mana
• Put all artifact cards and a subset of creature cards from your library onto the battleifeld