I've been having fun with custom card creations for vintage RPGs for a few years now. In looking back on what I've come up with in the past and comparing it to this latest addition, it's hard not to notice power creep among my cards over time. It is, no doubt, the result of the same sort of power creep WotC has allowed creatures to enjoy since M:TG's infancy to adolescence, spanning Alpha to 4th Edition. The following three comparisons illustrate this phenomenon well:
The creature progression has been contrasted by an enfeebling of non-permanent spells:
This has been especially detrimental to blue (additionally, compare Time Walk to Time Warp, Counterspell to Cancel, and Brainstorm to Ponder) which rules the vintage world but despite claiming one of the most powerful cards ever printed as its own, is the only color in standard currently unable to fly solo without a heavy dose of brown.