Differences in colour, font, or spacing are immediate red flags
If you're into investment-grade collectibles, Japanese might be the play
Bujingi Hare X LIGHT Level 4 [ Beast / Effect ] ATK 1700 DEF 500 During either player's turn: You can banish this card from your Graveyard, then target 1 Beast-Warrior-Type "Bujin" monster you control
Zamazenta V 105/172 SWSH Brilliant Stars V rule: When your Pokmon V is Knocked Out, your opponent takes 2 Prize cards
5 - Vivi Cauldron This deck from MarkMTG claims to be ideal for Arena, and while you could build it in cardboard, the fact that it has a whopping four copies of Vivi Ornitier in it means you can expect to spend a chunk of change
Urza, Chief ArtificerUrza, Chief Artificer - 12,217 decks, 15,415 as commander Speaking of straightforward, the Esper Urza is a popular commander, ranked 61st, that demands you build around him in one way: lots of artifacts