Its a tough decision, because even with the extra removal spell, the matchup is tough Game 1
It supplies a ton of reach at a flexible casting cost
Any of these decks are going to have a very strong Plan A, so I like the idea of having Zur around as a way to attack a table differently, in combat
Its one of the more pricey upgrades, but its one of the most important cards when it comes to finishing power
Xantcha, Sleeper Agent Xantcha, Sleeper Agent seems to be a bit polarizing, but I honestly think this Rakdos commanders benefits outweigh their drawbacks as an opponent
You are constantly presented with choices like when to sacrifice your Treasure or save it, which dungeon to commit to Venturing through, and whether you can afford to have a d20 roll not go your way