Magda, Brazen Outlaw, Clock of Omens, and Saheeli, Sublime Artificer

Prerequisites

• Magda, Brazen Outlaw on the battlefield
• Clock of Omens on the battlefield
• Saheeli, Sublime Artificer on the battlefield
• You control another artifact

Steps

1. Activate Saheeli Rai's -2 loyalty ability turning an artifact you control into an artifact creature copy of Magda
2. Put the original Magda in the graveyard due to the legend rule
3. Activate Clock of Omens by tapping Clock of Omens and Magda, targeting Magda
4. Magda triggers, creating a Treasure token
5. Resolve the Clock of Omens ability, untapping Magda
6. Activate Clock of Omens by tapping a Treasure token and Magda, targeting Magda
7. Repeat from step 4 any number of times
8. Activate Magda's last ability any number of times by sacrificing any number of Treasures

Results

• Infinite colored mana at your next untap phase
• Infinite tapped Treasure tokens
• Put all artifacts and Dragons from your library onto the battlefield
• Put all Dragon and artifact cards from your library onto the battlefield