Legality depends on the tournament format -- Myr Propagator can be legal in some formats and banned or restricted in others
Part of a cycle that features the almost-as-broken Gaea's Cradle and somehow the hilariously unbroken Shivan Gorge, Tolarian Academy taps to make a mana for each artifact you control, which led to decks that would dump their entire hand of cheap artifacts, make a ton of mana by tapping and maybe untapping Tolarian Academy, and then use big card-draw spells like Windfall and Stroke of Genius to refill before eventually milling the opponent out with Stroke of Genius, potentially all on Turn 1
Cards are used and valued both for competitive play and collecting, it all depends on the person
Its still important for the rest of your cards to function without your build-around card, but with built-in velocity, you can get away with a little more
This design perfectly captures the nostalgic essence of Pokmon Card 151 [SV2a], making it an instant classic for collectors and fans alike