And now some pointless (... but interesting) statistics!
'24/48' is Ultra/Magma and means that you get a single Ultra for every 24 5-packs you open, and a single Magma for every 48 5-packs you open.
Nightvine 24/48
Buglax 14/24
Flesh Hag 19/16
Dirgeleech 11/19
Craybane 7/9
Loboz 14/32
Whaloid 19/19
Turtlex 14/24
Finblade 12/19
Octox 11/16
Burnmaw 48/48
Blazugg 24/24
Nostro 95/14
Flamesoul 19/19
Skorch 11/11
Bone Drake 24/

Brinefang 12/48
Trigoyle 12/14
Drakon 16/32
Hexeye 7/19
Pterror 95/

Skamm 24/14
Sabreclaw 14/24
Soarkroc 95/10
Nexxor 10/32
Spinax 24/32
Jorzo 16/32
Visroc 11/48
Coilhorn 11/12
Batak 11/14
War Mass 19/48
Cyclo 32/48
Yeeeoh 10/16
Monosaur 7/14
Fangjaw 7/14
Mamota 19/95
Spinohorn 16/48
Ramm 24/10
Tuakbak 7/32
Slither 6/12
Ultimoja 48
So as you can see, there some quite rare ones, even rarer than Ultimoja (who can be found every 48 packs), I mean COM'MON! Soarkroc's supposed to be COMMON, and there are two figures which still haven't been found!
kielmark