Metalworker + Freed from the Real + Gemstone Array

Metalworker

Freed from the Real

Gemstone Array

How it works

1. Activate Metalworker by tapping it, causing you to reveal at least two artifact cards from your hand and add at least CCCC.
2. Activate Gemstone Array's first ability by paying 2, putting a charge counter on it.
3. Activate Gemstone Array's second ability by removing a charge counter from it, adding .
4. Activate Freed from the Real's second ability by paying , untapping Metalworker.
5. Repeat.