Clock of Omens + Ertha Jo, Frontier Mentor + Memnarch + Sphinx's Disciple

Mana needed: {1}{U}{U}

URW identity

Commander legal

The 4 combo pieces

• Clock of Omens
• Ertha Jo, Frontier Mentor
• Memnarch
• Sphinx's Disciple

How to execute it

1. Activate Memnarch by paying {1}{U}{U}, causing Sphinx's Disciple to become an artifact.
2. Activate Clock of Omens by tapping it and Sphinx's Disciple, targeting Sphinx's Disciple.
3. Ertha Jo triggers, copying Clock of Omens' ability, targeting Clock of Omens.
4. Resolve both Clock of Omens abilities, untapping it and Sphinx's Disciple.
5. Sphinx's Disciple triggers, causing you to draw a card.
6. Repeat from step 2.

What the combo produces

• Infinite card draw
• Infinite draw triggers