Unstable did a lot to change my perspective in a positive way, to the point where I was willing to look at silver bordered cards on a card-by-card basis for eligibility in Commander games among my private playgroups
The plus one ability didnt look like much to me immediately, but it can create a ton of pressure by turning mediocre threats into ones that can end the game quickly
Web-slinging represents an alternative cost
Those are all very enticing possibilities, and if you answered yes to them, then, well, of course you answered yes
Giving +1/+0 to creatures permanently is very nice, and you can make them fight another creature or bypass counterspells
Reinforce Reinforce is an activated ability that makes cards in your hand a little more versatile