Mishra, Eminent One + Voltaic Construct + Coveted Jewel

Mishra, Eminent One

Voltaic Construct

Coveted Jewel

How it works

1. At the beginning of your combat phase, Mishra triggers, creaitng a token copy of Coveted Jewel that is a 4/4 Construct artifact creature token with haste named Mishra's Warform in addition to its other types.
2. When Mishra's Warform enters, it triggers, causing you to draw three cards.
3. Activate Mishra's Warform by tapping it, adding three mana of any color.
4. Activate Voltaic Construct by paying 2, untapping Mishra's Warform.
5. Repeat from step 3.