For example Discover counts as point, Brainstorm counts as 1 point, while Skullclamp counts as 2 points, as it is one of the best cards in the game in the right deck (one that is full of small creatures and /or produces many 1/1 tokens)
Most of the cards in the main set are legal for competitive play, but the special subset cards are a nostalgia overload for collectors (these cards are likely not available for competitive play)
Sword & Shield Brilliant Stars: Brilliant Stars gave us an incredible card that stands out from the other Charizard chase cards of the Sword & Shield era, which are mostly recolored to be either Shiny or Rainbow Rare, with this creative scene of Charizard and Venusaur battling
The mechanic really didn't take off, and while Wizards of the Coast have since printed many powerful transforming cards, Kamigawa block's flip cards were relatively unexciting
Early in the game, Iono can help you redraw your hand without having to discard it, while also disrupting your opponents hand