I've come to a point while playing magic cards, onto which I've developed a strange anal retentiveness towards my decks.
Specifically towards things like, mana cost efficiency, either i shall have a use for it or not, either it has one use or multiple uses.
It must be good towards single player and finish off my opponent fast, but at the same while,it must have the flexibility towards multiplier.
Towards this end, I always have a certain buffer towards things i consider playable, and the idea of making something entirely new has been a lot easier.
For example, some of my newer deck building challenges, including my sillier works have been something of a simple task. Aka Hidden enchantment deck, great fun, single player decimator, also multi works as just as well if not better.
But i rant to much.
That is all for now :)