Mill decks will definitely be including this Jace Variant, as its ultimate ability is too tempting and hilariously mean to resist, and counter manipulation via Proliferate makes it that much easier to activate
He provides a full write-up plus code over on hackster.io
It can feel demoralizing to play against such inevitability, and both the community and Wizards designers have done what they can to curb some of its most degenerate potential
The reason MTG cards must conform to specific dimensions, size, and weight is because its considered marking if they dont
It also makes the game slightly more complicated and stressful when you have to worry about a secondary life total
After cutting the deck at a random position, the chance that the top card of your library is a Lighting Bolt isnt affected by that knowledge- you wont be able to predict your draw with any more accuracy than normal