Because we aren't telegraphing a mill strategy early on, our opponent will often go hog wild drawing tons of cards
Though it only makes colorless mana and enters tapped, getting Mishra's Workshop Though not highly played due to its difficulty to acquire, a land that taps for three mana for artifacts definitely meets some of the restrictions we put around fast mana and belongs on the Game Changers list
Just be aware that you'll need to make good use of your other cards to hold on that long - if you're not careful, your opponent can tear ahead
Creatures (24) 3 Dark Confidant 2 Sheoldred, the Apocalypse 4 Gix, Yawgmoth Praetor 4 Deep-Cavern Bat 4 Preacher of the Schism 4 Cecil, Dark Knight Lands (21) 21 Swamp Spells (15) Two of the high-cost Summons look to give Azorius Omniscience new reanimation targets or game-winners to play for free once Omniscience is on the battlefield
If you were to compare the prices of Lorcana cards to the prices of other games (Pokemon, Yu-Gi-Oh, Magic the Gathering etc.) you will find that they aren't worth as much