Jinnie Fay, Jetmir's Second, Magda, Brazen Outlaw, Prosperous Partnership, and Maskwood Nexus

Prerequisites

• Jinnie Fay, Jetmir's Second on the battlefield
• Magda, Brazen Outlaw on the battlefield
• Prosperous Partnership on the battlefield
• Maskwood Nexus on the battlefield
• You control at least three untapped creatures

Steps

1. Activate Prosperous Partnership by tapping three untapped creatures you control
2. Magda triggers three times, creating three 2/2 Cat creature tokens with haste or three 3/1 Dog creature tokens with vigilance
3. Resolve the Prosperous Partnership ability, creating a Treasure token, a 2/2 Cat creature token with haste, or a 3/1 Dog creature token with vigilance
4. Repeat

Results

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