Just in case musicbeat's answer was too short for you.. you can use Thor in Reason and connect Reason to Cubase via re-wire.
Among the bundled Cubase synths there's i think no close enough equivalent.
3.49 hHz Intel Core i7 16GB RAM
UAD Apollo Thunderbolt
OSX 10.8.4 - Cubase 8
Komplete 9U, East West CCC, Omnisphere, Superior Drummer, Slate Digital, KVR Freeware