Tezzeret the Seeker + The Peregrine Dynamo + Firemind Vessel

Prerequisites

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Steps

1. 1Activate Tezzeret's first loyalty ability by putting a loyalty counter on it, targeting Firemind Vessel and The Peregrine Dynamo.
2. 2Holding priority, activate Firemind Vessel by tapping it, adding two mana of differing colors.
3. 3Activate The Peregrine Dynamo by paying and tapping it, copying Tezzeret's ability, targeting Firemind Vessel and The Peregrine Dynamo.
4. 4Resolve the copy of Tezzeret's ability, untapping Firemind Vessel and The Peregrine Dynamo.
5. 5Repeat from step 2.

Effects

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