Oko's abilities are great, and highly versatile - being able to produce blockers and turn an opponent's impactful permanents into useless elks is fab
If you build a deck that can be outmuscled by a 3/3 or where youre running a low creature count (think like, 10-12), this wont fit in well, but in any kind of big monsters simic deck or a ramp deck, this is going to have a home
This strategy often incorporated Morgul Destroyer (7U190) and/or Fat One Wants It (7R57) , Captured by the Ring (7C53) , and Gollum
The lands in this land-themed deck are quite playable in many decks beyond Commander
It looks quite interesting with ability counters since you can proliferate them then spread them around
As a kid with no job, $15 seemed ludicrous for a card, but I really wanted them for my stasis deck