Any card which says "cast this, win the game" deserves a top-three slot on a "best of all time" checklist
Temur Spells: While Kalamax, the Stormsire is a potentially powerful commander, it needs to be tapped to do anything cool, and the precon is lacking in noncombat ways to make it happen
I dont know if this was supposed to be a card for Standard and they simply ran out of room there, and I think its an interesting ability to play around with, but to me boxed precons really shouldnt have cards that dont work in the deck they got printed in
Number 1: Faerie Rogue Token First place goes to these quirky but beautiful Faerie Rogue Tokens from Morningtide
You see this giant green creature that looks like it's a massive caterpillar-serpent thing
Wizards of the Coast's Magic: The Gathering Online comes to mind, as does Blizzard's massively profitable Hearthstone, the latter of which just passed the 70 million player milestone and helped earn Activision $3.6 billion in monetized revenue