Some rare-rarity cards only exist in reverse-holo and holo versions, others only exist in standard and reverse-holo
Just by being played, the card prevented a player's opponent from casting spells at Instant-speed, forcing them to only play during their turn and shutting down a huge number of playstyles
Then, until the end of your opponent's turn, 1 of your opponent's Digimon gains "[Start of Your Main Phase] This Digimon attacks." Card Text 2 [Security Effect] [Security] De-Digivolve 3 1 of your opponent's Digimon
Palinchron Rarity: Rare TYPE: Creature SUBTYPE: Illusion CMC: 7 Mana cost: USD: $0.00 EUR: 0.00 TIX: 0.08 EDHREC RANK: 7560 (4/5) Flying When this creature enters, untap up to seven lands
In contrast, an English chase card with low pull rates can become very expensive on the secondary market
Both apply continuous advantages to the players who has them, both apply to one and only one player, and both have very narrow interaction with other cards, only ones that explicitly mention them