Tezzeret the Seeker + The Peregrine Dynamo + Astral Cornucopia

Tezzeret the Seeker

The Peregrine Dynamo

Astral Cornucopia

How it works

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