Also, an honorable mention goes to Abeyance, which doesn't look like much today, but its original wording basically made it a mono-blue Time Walk back in 1997
The format in TCG Pocket is much shorter than your usual TCG game, with slightly different rules that its tutorials will walk you through
I buy cards based on rarity and pay an average price for each type
In fact, I would wager that these mock-up card designs came first (more or less), especially since they all utilize existing Ken Sugimori artwork and some kind of known background asset pulled from a stock image collection like Datacraft Sozaijiten
Magikarp - 042/193 #42Common $0.16 Nymble - 019/193 #19Common $0.13 Veluza - 056/193 #56Rare $0.06 Combee #8Common $0.15 Quaxly - 049/193 #49Common $0.13 Frigibax - 058/193 #58Common $0.11 Nymble - 020/193 #20Common $0.06 Fuecoco - 034/193 #34Common $0.12 Delibird #46Common $0.08 Baxcalibur - 060/193 #60Rare $0.23
Enchanted cards are, to say the least, challenging to find