Tezzeret the Seeker + The Peregrine Dynamo + Mana Crypt

Tezzeret the Seeker

The Peregrine Dynamo

Mana Crypt

How it works

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