You choose a nonland card from it and exile that card
These ranges work for most Commander decks
Some paradox abilities count the number of spells you've cast from anywhere other than your hand that turn to determine the magnitude of their effects
So many one-mana artifacts have been printed for Urza recently (Esper Sentinel, Portable Hole, and now Moonsnare Prototype as well), that playing it on Turn 2 is going to hit a large fraction of the time
How many iterations does the simulator run
While the archenemy still chooses who they attack for any effects where it matters, because any of the heroes can block, it becomes a lot more straightforward: the archenemy attacks heroes, and the heroes attack the archenemy, each group with one shared life total