Assassin Gauntlet comes down and taps all creatures one of your opponents controls
For such a cheap mana cost (and an easy-to-meet additional cost, assuming you arent just manifesting this first and flipping it up) this is one of the strongest pieces of a face-down creature deck
A S.N.O.T., by the way, can only be half untapped if it has an even number of cards
8 Zedruu The Greathearted Zedruu the Greathearted is basically just an evil Santa, gifting your opponents the worst possible permanents you can
If you don't want to play a linear combo deck, however, Vito can still lead a strong lifegain deck, where you can stack similar effects like Enduring Tenacity, Starscape Cleric, and Sanguine Bond to gradually burn out your opponents
Chiss-Goria, Forge Tyrant Chiss-Goria, Forge Tyrant may look prohibitively expensive, but it really isnt too hard to get out in an artifact EDH deck