Green Suns Zenith Green Sun's Zenith, or as I like to call it, Dryad Arbor in a trench coat, is a versatile creature tutor that scales with the game at every point on the curve
This means you can pendulum summon pretty much every Deskbot monster in your deck
to get an artifact and an enchantment is Wear / Tear efficiency, in only one color
A PSA 9 copy of the Base Set Mewtwo might be worth ten times an ungraded near-mint copy
This was essential as, despite Zombies definitely being the core of the deck, the power cards of the period, such as Delinquent Duo, Black Luster Soldier, and Graceful Charity were still extremely important to draw into as often as possible
Sorceries are notable for their timing restrictions