The Umbreon ex SIR is the crown jewel of Prismatic Evolutions and one of the defining cards of the Scarlet & Violet era
Hallowed Haunting, Ondu Spiritdancer, Starfield of Nyx, and even Zur, Eternal Schemer, can all be game-ending threats in their own right, and as long as you keep playing Enchantments you can keep amassing advantage in different shapes and forms
Liesa, Shroud of Dusk can also shut down decks that monopolize game time by punishing players looking to cast their entire deck in one turn
It's recently had a massive spike in price, and you can currently find it at market value for around $23.99
Elite Fourum Most iconic/recognizable cards in Pokmon
it loses ATK equal to this card's current ATK until the end of this turn, then banish this card until the Standby Phase of the next turn