I upset my own fair share of mono-black snow players when this beauty was in Standard
The first of the duo is Ugin, Eye of Storms from the otherwise very un-artifacty Tarkir: Dragonstorm
The first ability on her card is that you can look at the top card of your library, which fits themes that care about it or order it like Sensei's Divining Top and Sylvan Library
I try to focus on what I cards I believe will have an impact on Standard throughout their entirety of being legal in the format, and not just what will jump out of the gates
ban lists throughout the year, whose approach to balance mostly centred on removing dominant archetypes while mostly leaving powerful yet generic staple cards that found a home in decks across the duel spectrum alone, irrespective of community demands to limit their dominance
Yes they were regular, legal cards in their era, though each carried the printed rule that a deck could include only one Pokmon