mtg each player discards a card Fate Reforged Uncommon Dark Deal #66 then draws that many cards minus one. Here's a question and an

The evil inside the mountain pulsed at Nissa in a shock wave of madness

" 304-307 Secret Lair: Showcase: Neon Dynasty Wizard's Description: "Celebrate the release of Kamigawa: Neon Dynasty with a bonus release of striking Neon Ink Foils

Lots of other thematically linked cards too

Legality depends on the tournament format -- Stuffy Doll Avatar can be legal in some formats and banned or restricted in others

Other cards had price spikes driven by eternal play, including Lorien Revealed and Sauron's Ransom The Lord of the Rings: Tales of Middle Earth set is playable in MTG Arena's Historic format, and in eternal formats on Magic Online