Sydri, Galvanic Genius + Pemmin's Aura + Empowered Autogenerator

Sydri, Galvanic Genius

Pemmin's Aura

Empowered Autogenerator

How it works

1. Activate Sydri by paying , causing Empowered Autogenerator to become an artifact creature until end of turn.
2. Cast Pemmin's Aura by paying 1, enchanting Empowered Autogenerator.
3. Activate Empowered Autogenerator by putting a charge counter and tapping it, adding equal to charge counters on Empowered Autogenerator.
4. Activate Pemmin's Aura by paying , untapping Empowered Autogenerator.
5. Repeat from step 2.