Many people heavily underestimated this card at first and were more hyped about Alkahest, but this card actually enables a lot more combos, makes sure you have more resources to play in one turn and recycles your Spell/Traps back to your deck
Grisly Spectacle This card is whats known as a flavor win. One might think, looking only at the art, that this is about being traumatized by the spectacle of a decapitated person
None of these lands produce mana, so youre effectively giving up your land drop for the turn in exchange for giving your legendary creatures a semi-useless ability
Utility Cards Once again, these are the utility cards that will be useful in decks for the next five years
(I always imagine it like being what youd get if chess had certain edge cases where rooks could fly, bishops could teleport, or for a second, pawns were driving tanks.) Since the game is built around several thousand collectible cards, and almost every card has some additional unique ability to it one way or the other, it creates an endlessly manipulable, constantly surprising experience
Though they all have specific regulations and limitations related to the category that they belong to