Urtet, Remnant of Memnarch + Equilibrium + Urza's Incubator + Urza, Lord High Artificer

Prerequisites

• "Myr" chosen with Urza's Incubator.
• You have a Myr card in hand with mana value two or less that can be cast for due to Urza's Incubator.
• You control a nontoken Myr with mana value two or less that can be cast for due to Urza's Incubator.

Steps

1. 1Cast the Myr with mana value two or less in your hand by paying due to Urza's Incubator.
2. 2Urtet and Equilibrium trigger.
3. 3Resolve the Urtet trigger, creating a 1/1 Myr artifact creature token.
4. 4Activate Urza's first ability by tapping the Myr token, adding .
5. 5Resolve the Equilibrium trigger, causing you to pay to return the Myr with mana value two or less currently on the battlefield to your hand.
6. 6Repeat an arbitrarily large number of times.
7. 7At the beginning of your combat phase, Urtet's second ability triggers, untapping all Myr you control.
8. 8You may then tap the Myrs using Urza's first ability, and use the mana to activate Urza's second ability any number of times.

Effects

• Cast all spells in your library
• Exile your library
• Infinite blue mana
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature tokens
• Infinite storm count