Magda, Brazen Outlaw, Battered Golem, and Arcane Adaptation

Prerequisites

• Magda, Brazen Outlaw on the battlefield
• Battered Golem on the battlefield
• Arcane Adaptation on the battlefield

Steps

1. Activate the creature with saddle's saddle ability by tapping Battered Golem
2. Magda triggers, creating a Treasure token
3. When the Treasure enters the battlefield, Battered Golem triggers, untapping Battered Golem
4. Resolve the saddle ability
5. Repeat

Results

• Infinite colored mana
• Infinite Treasure tokens
• Put all Dragon and artifact cards from your library onto the battlefield