Chaos Warp : As long as this card is in play, at the beginning of your upkeep exile 2 cards and you can play them that turn
Even Trapped in the Tower looks great here, removing activated abilities from opposing creatures
Interactive spells Thoughtseize This can be thought of as a less efficient Grief that interacts with your opponents hand and most importantly gives you information about their likely play patterns and gameplan in that match
If you control three or more artifacts, draw two cards instead
As a big fan of old Phyrexia, I also have to give kudos to this card for truly feeling like a threatening massive Phyrexian horror, unlike things like Dragon Engine
Some people use this goblin berserker as a passive form of damage and a back-up wincon, while others intentionally lean into spells with high mana value and make Vial Smasher the whole gameplan