That makes removal and board wipes a big setback for any sliver decks
If the right deck comes around where you do have access to Colorless mana, this might be worth a shot, but it's probably still going to be somewhat low impact most of the time
The twist is a focus on artifact sacrifice you can make as many of those threats as you want if you have artifacts to transform into golem tokens
Trample Plasma Incinerator Whenever this creature attacks, if a card is exiled with it, it gets +X/+X until end of turn, where X is the power of the exiled card
Add this to your collection, and you're not just holding a card you're holding One Piece history
Black Lotus, Mishra's Workshop and Tolarian Academy are all auto includes if you can get them in the archetype but they are also all a little bit overkill