Mondronen Shaman is an example of this, and it could be expanded into werewolf versions of Harsh Mentor and Ash Zealot
While it can help others more than you, thats also a boon in many ways, and one of the reasons I run it in my Sigarda, Host of Herons enchantress build
Ferocious Tigorilla Gearbane Orangutan Gorilla Shaman Kird Ape Kird Chieftain Kogla and Yidaro Raging Gorilla Simian Spirit Guide Yavimaya Steelcrusher
Mechanics like energy have expanded the idea of players having unique counters since poison counters were added to the game
If the condition of the card is superior to that of the majority, grading it will increase its value (to a greater or lesser extent) on the secondary market
Along with that, Ashiok also has a passive ability that reads: If you would pay life while your library has at least that many cards in it, exile that many cards from the top of your library instead. Basically, theres a very strong theme here