Besides a short run-time and straightforward rules, it's endlessly replayable
I know power creep is a problem in Magic, but you dont expect a legendary mythic to be superseded by a nonlegendary rare just a few months after release
Best Jeskai Mana Ramp Card (Kykar, Winds Fury) Weve already touched on how good cards like Birgi, God of Storytelling or Storm-Kiln Artist are when you want to chain together multiple spells in a turn, and Kykar, Winds Fury brings similar potential to decks that revolve around noncreature spells while also giving you the choice to whittle away life totals by attacking with 1/1 flyers if you dont need extra mana
Huatli, Poet of Unity / Roar of the Fifth People Starting as Huatli, Poet of Unity, this card searches a land, then becomes a saga that pumps out dinosaurs, ramps, tutors more dinos, and finally gives them double strike and trample
Blue-Red Spells Prowess, the once evergreen, now deciduous mechanic is back
Cipher (Then you may exile this spell card encoded on a creature you control