When it comes to creatures, spells, and land, Wizards has years of experience and data to figure out what the right baseline power level is, and as we just talked about, they tend to aim far enough to the "safe" side that even if they miss, the result is a very good card (like Collected Company), rather than a ban-worthy monster
It certainly bodes well for the prices and excitement of serialization, but is it enough to make them the flagship collectible Wizards of the Coast wants them to be
Every example I've touched upon so far would fall into this category, after all
Similarly, Planar Portal from Adventures in the Forgotten Realms is an exile-themed list, and an amazing bargain at $24.99
Coat of Arms While its expensive and does nothing on an empty battlefield, Coat of Arms is usually a permanent overrun effect