Valstrax it is from mhgu
Managarmr
A dragonlike ice creature, the Managarmr is a swift, highly mobile mount for rapid travel. Its freezing breath adds a distinctive edge in combat.

Name ideas for your Managarmr from ARK players.
Nerfasaurus
Wolfy
We hunt in a pack to be strong enough to death the big
Rayquaza
Blizzard Wolf
Kittie
wolf on crack
Batman of the north
Bob rocket
Where’s my mana
Winged Weasel
FreezerOnJetpackBoots
Star Fox/ Star Wolf
Manic Armor
Batdog
KillerFrost
WhiteOut
Intorno
Zelkam
My dindongs size
Rock Drake's brother