A quick guide on where to get the new releases.
Dream Gach 1 - 00 Gundam
Other prizes include - all S1 00 suits (Dynames, Exia, 0 Gundam, etc.)
Dream Gach 2 - IJ & God Fuunsaiki
Other prizes - Justice, God (ALL THE MATS FOR IJ AND GOD FUUNSAIKI PLANS)
So thats like Aegis and Sword Impulse, etc.
Papaya Slashing - Susanowo
You get random Papayas after you play a match. Go buy the papaya cutter from the cash shop for 1500G or 150M and have a shot at trying to get Susanowo!
Other prizes - Forbidden, Duel, BD1, BD2, etc.