That's because Type Null is able to deliver strong pressure right away, and Silvally can usually knock weak exs out on the following turn
Vehicles are obviously a pretty good fit for this Commander, and your backup - Pia Nalaar, Chief Mechanic - makes that theme even more explicit
Number 28 Language English Legal Formats Commander, Legacy, Modern, Pauper, Vintage Not Legal Formats Alchemy, Brawl, Competitive Brawl, Historic, Pioneer, Standard, Timeless Rulings (4/1/2008) Since the activated ability doesn't have a tap symbol in its cost, you can tap creatures that haven't been under your control since your most recent turn began to pay the cost
Ulamog, the Infinite Gyre, Emrakul, the Aeons Torn, and Kozilek, Butcher of Truth nonetheless have triggers to shuffle your graveyard into your library when they are put into a graveyard
By paying 1000 life points, Judge Man allowed the player to destroy all the opponent's monsters and inflict damage equal to the number of monsters destroyed times 500
