The original allowed two-player multiplayer with the Game Link Cable, something that is easy to update to the modern era with little effect on the rest of the game
Blightsteel is a much better threat but equally answerable and even more reliant on big mana effects
If you want actual new cards, meanwhile, you're best off looking for the Prismatic Evolutions and/or Journey Together expansions
Arena Cube Best of One Entry Fee : 4,000 gold Match Structure : BO1 Max Rewards : 6,000 gold and 1 uncommon and 2 rares Max Wins / Losses : 7 / 3 Best of Three Entry Fee : 4,000 gold Match Structure : BO3 Max Rewards : 6,000 gold and 2 uncommons and 1 rare Max Wins / Losses : 7 / 3 Arena Cube comes around MTGA once in a blue moon and is the equivalent of the Vintage Cube from MTGO, meaning you get to draft the best cards that Arena has ever seen
No extra purchase required, no fumbling for packaging after the fact
But if I don't open channeler and I open a Lordly Lode for example, it can still be a very good starter that can go into a Cyber Slash Harpie Lady off of the special summon