Below is a record of every one, including the most expensive Lorcana cards featuring Elsa, and every Lorcana promo that adds variations to the regular cards
Casting Cost: Card Text: Whenever Elrond, Lord of Rivendell or another creature enters the battlefield under your control, scry 1
Smothering Tithe or Narset, Parter of Veils, for example, won't work against Scroll Rack
Weakness: Fire (x2) Resistance: None Retreat: 4 Vulpix Fire HP70 Basic Pokemon Attacks: [C] Stampede (10 damage.), [R][C] Combustion (20 damage.) Weakness: Water (x2) Resistance: None Retreat: 1 Ninetales Fire HP120 Stage 1 Evolves from Vulpix Attacks: [C] Suspicious Shapeshifting (Discard the top card of your deck
That does not mean, as we have explained before, that the metagame is static, but if you invested in Regidrago when it first came out (like 4 or 5 years ago), you would have had in your position a tier 1 or 1.5 deck ever since
but has such a huge cost to bring into play -- even if you sacrifice tokens, your opponent getting to draw 2 cards is quite heavy