On the old stuff, the most distinguishable sign is the light test, Rudy, who dispenses financial advice on buying Magic cards on his YouTube Channel Alpha Investments LLC, told me over the phone
Every single Goblin is in Jund colors which allow you to play any Goblin in the game
A 3-mana enchantment that doesnt impact the board has its weaknesses, but the reliable counter distribution outweighs them
Selesnya decks are typically all about life gain and steadily growing creatures through the use of counters, and while the counter aspect is present on T'Challa, the life gain aspect is currently missing
I remember I was 7 when they launched here in the UK, I still remember opening my first Base Set booster pack, I even recall that it was a Blastoise art pack and I pulled a holo Poliwrath, from that moment I was totally hooked and so excited to find and collect all of the cards, not just to own them, but to see the artwork, that sense of discovery was incredibly rewarding