For those wondering, by my last check, these are the Reserved List cards in the most recent version of the MTGO Vintage Cube:

Ancestral Recall
Braingeyser
Dream Halls
Palinchron
Time Spiral
Timetwister
Time Walk
Treachery
Recurring Nightmare
Shallow Grave
Yawgmoth’s Will
Wheel of Fortune
Deranged Hermit
Eureka
Fastbond
Rofellos, Llanowar Emissary
Survival of the Fittest
Black Lotus
Candelabra of Tawnos
Grim Monolith
Lion’s Eye Diamond
Memory Jar
Metalworker
Mox Diamond
Mox Emerald
Mox Jet
Mox Pearl
Mox Ruby
Mox Sapphire
Badlands
Bayou
Bazaar of Baghdad
City of Traitors
Gaea’s Cradle
Library of Alexandria
Mishra’s Workshop
Plateau
Savannah
Scrubland
Taiga
Tolarian Academy
Tropical Island
Tundra
Underground Sea
Volcanic Island