Blackblade Reforged Ah, Blackblade Reforged, or as I like to call it, the perfect control win condition. Blackblade Reforged gives the equipped creature +1/+1 for each land you control (basically making it into Dakkon Blackblade)
Still others go with Legendary Beasts (I happen to be in this camp)
As my advertising professor liked to say, "You aren't selling them a product, you're selling them a solution to a problem." My mother, now retired, was a psychologist, and I always had a fascination with psychology
I think Decay will be hard to beat, but depending on the threats that gets played, this might be worth a slot (as it hits Karn and Urza among other things)
There are a few standouts, however
It's of course inevitable eventually, but I want to at least implement the ability to maintain save data before I update it again