So, the Gateway Box basically holds your hand through the first round by controlling the first seven cards that come into your hand
While its on the field, you can pay X to turn it into a copy of any of the exiled creatures
Watermark: Maestros Illustrated by Maria Zolotukhina Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Legal Modern Not Legal Brawl Legal Legacy Not Legal Comp
If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.) Creature - Goblin Berserker Scrapwork Mutt When this creature enters, you may discard a card
Although the day started unseasonably warm, about an hour ago the sky darkened to a deep gray and began pouring rain
Well-meaning, but picked the wrong group to pickpocket