Deck Construction Decks consist of 100 cards, with no more than one copy of any card except basic lands in a Commander deck
Creatures you control of the chosen type get +2/+2
It's worth noting that while they're bundled together, you can put any Doctor in your command zone with any companion, allowing for all kinds of unique combinations and strategies
Yuriko, the Tigers Shadow The least surprising surprise One of the worst things about Commander is when your commander gets killed off a lot and ends up costing too much to cast
Eight lands in play is the break-even point where you can cast this for free, though you could always run it out earlier, hope it sticks around for a turn cycle, and untap with something like 10 to 12 mana from lands alone
Mana Web fits into (at least) that artifact with unique effect category, as it forces opponents to tap ALL lands they control that could produce any type of mana that land could produce upon them tapping a single land for mana