According to Entertainment Earth, these Midnight Bull and Night Virgo etc. Beys are coming out in the next wave. Here's the list:
Case includes 12 individually packaged tops, including:
1x Dark Wolf DF- red
1x Storm Aquario - blue
1x Storm Capricorn - purple
1x Rock Orso
1x Burn Fireblaze 135MS
1x Poison Serpent SW145SD
2x Cyber Pegasus 105F
2x Midnight Bull 125 SF
1x Torch Aries 125D
1x Night Virgo DF145BS
(subject to change)
and the link:
http://www.entertainmentearth.com/prodin...9495H#desc
So at the absolute very least we have another shop other than Toywiz confirming their existence.
EDIT:
Here's what they have listed for wave 8 revision 1:
Case includes 12 individually packaged tops, including:
1x Flame Sagittario - yellow
1x Rock Aries - purple
1x Flame Libra - green
1x Lightning L-Drago - blue
1x Evil Gemios
1x Rock Scorpio
1x Cyber Pegasus 105F
1x Midnight Bull 125 SF
1x Torch Aries 125D
1x Night Virgo DF145BS
2x Fury Capricorn 100HF
(subject to change)