If another effect allows you to play a card for a different alternative cost, including "without paying its mana cost," you can't also choose to pay its web-slinging cost
The decklist also has a ton of ways to give your opponents' creatures negative stats , with Night of Souls' Betrayal, Kaervek the Spiteful, and a plethora of sorceries and instants that do the same
And if future sets continue to refine and expand on Reconfigure, we could be looking at a mechanic that becomes a key part of many players' decks, offering both adaptability and resilience-qualities that are absolutely vital in any successful strategy.
This list is more reliant on the graveyard and benefits more from being many colours but it does have a lot more options than Hollow One builds
'Outside the game' is text that doesn't normally work in Commander, but you're already playing silver-bordered cards, so there are no rules