Lithoform Engine + Tezzeret the Seeker + Thran Dynamo

Prerequisites

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Steps

1. 1Activate Tezzeret the Seeker's first ability by putting a loyalty counter on it.
2. 2Holding priority, activate Thran Dynamo by tapping it, adding .
3. 3Activate Lithoform Engine's first ability by paying and tapping it, copying Tezzeret the Seeker's ability, targeting Lithoform Engine and Thran Dynamo.
4. 4Resolve the copy of Tezzeret the Seeker's ability, untapping Thran Dynamo and Lithoform Engine.
5. 5Repeat from step 2.

Effects

• Infinite colorless mana
• Infinite mana artifacts you control can produce
• Infinite untap of artifacts you control