Jumbo Cactuar Basically a 'win the game' card Deals 10K damage Pair with indestructible/hexproof Jumbo Cactuars 10,000 Needles ability is not only a total flavor win but is also one of the wildest pieces of rules text Ive ever seen on a Magic card
And I dont buy that every single card Wizards produces is meant to be played withdoes that standard apply to Heroes of the Realm, or Ponies: the Galloping, or the Holiday Cards
The higher your deck's average cmc and the more turns required to win the game, the more lands you'll want to run
There are other similar things to do with other cards, but they pale in comparison to both the Dreadnaught trick and the rest of Vintage
This version of Urza fills a very specific gap that mono-blue Commander decks often fall into
The first is to force the card draw upon someone by hitting them, refilling both of your hands and popping out a few snakes