Locations will have an Ink cost similar to any other card, and some will be Inkable, as well - able to be converted into the single resource needed to cast more powerful and costly Characters, Songs, Items and Actions
Fine tuning via playtesting is completely fine
Considering we have multiple tutors in the deck, we can safely assemble this combo by turn seven, eight, or nine consistently
You can also target it with your own auras and build a Voltron version that damages your opponents without the need to attack, not to mention heroic or combo payoffs
While it hasnt shone after that, it was still a dominant force back in the day, and from time to time it appears in Pioneer events where the only thing stopping it from being a decent deck is its unfavorable match against arguably the best deck in the format, Izzet Phoenix