Sydri, Galvanic Genius + Salvaging Station + Ashnod's Altar + Gemstone Array

Sydri, Galvanic Genius

Salvaging Station

Ashnod's Altar

Gemstone Array

How it works

1. Activate Salvaging Station by tapping it, returning the mana value 1 artifact from your graveyard to the battlefield.
2. Activate Sydri's first ability by paying , causing the artifact to become an artifact creature until end of turn.
3. Activate Ashnod's Altar by sacrificing the artifact, adding CC.
4. When the artifact dies, Salvaging Station triggers, untapping Salvaging Station.
5. Activate Gemstone Array by paying 2, putting a charge counter on it.
6. Activate Gemstone Array by removing a charge counter from it, adding .
7. Repeat.