The two that immediately come to mind are swirls and crimped cards, two diametrically opposed aesthetics that have emerged as huge marketing tools for sellers over the last year or so
Energy advantage is one of the most important things in Pokemon, and having a card that keeps all your Energy in play is so good
The New Four Emperors Take the Helm in the 9th Pack
My name is Michael Celani, and I write How They Brew It , the Commander deck tech article series that, through my rigorous scientific investigation of layers, discovered the seventh type of quark
I honestly recommend checking out WotC's Secret Lair Heads I Win, Tails You Lose deck
higher rarities will start to mix and match effects): Artifact destruction Artifact or enchantment destruction (Naturalize) "Bounce" (Returning nonland permanents to owner's hand) Card drawing Card filtering Creature destruction Creature lockdown (Pacifism and Dehydration) Creature regrowing (Raise Dead) Creature unblockability Counterspell Damage prevention (Fog) Direct damage Discard Draining creatures and/or players Enchantment destruction Fighting "Flickering" (exile and return a creature to the battlefield) Flier destruction Forced blocking Forced sacrifice "Impulsive draw" (exile a card or cards, can cast until end of turn) Land fetching Life gain Looting/rummaging (drawing and discarding, and vice versa) "Milling" (putting cards from top of library into graveyard) "Panic" (some number of creatures can't block) Power/toughness pumping (Giant Growth) Tapping creatures (including "freezing" them, where they don't untap) Temporary stealing (Threaten) Token making Uncommon Complexity Uncommon gets to raise the bar a little on comprehension complexity and a bit more on board complexity
