This is a cube of the 20 coolest sets in MTG history.
Tempest
Stronghold
Exodus
Urza's Saga
Urza's Legacy
Classic Sixth Edition
Urza's Destiny
Mercadian Masques
Nemesis
Prophecy
Invasion
Planeshift
Seventh Edition
Apocalypse
Odissey
Torment
Judgement
Onslaught
Legions
Scourge
Special sets
Battle Royale Box Set
Beatdown Box Set
Anthologies
Deckmasters
The List