This model of playing Hearthstone is completely free, everybody gets the same opportunities and cards, and its something that you can play with absolutely zero cost and time investment
If two or more effects attempt to modify how many counters would be put onto a creature you control, you choose the order to apply those effects, no matter who controls the sources of those effects
A strong Evolution Pokemon will pay off in the late game
The relative power creep disparity between two-prize Pokmon and regular Pokmon has become large enough where if an unrestricted effect like this were to return, it would destroy the format
Reverse holos from TRR are especially prized, as complete reverse sets are notoriously difficult to build in high grade
Portfolio features are functional, not deep