This is The Last Kaleidosaur HS Paladin Quest Card from the Journey to Un’Goro expansion due for release in April.
The card reads: Quest: Cast 6 spells on our minions. Reward: Galvadon.
Galvadon
This is the Galvadon HS Paladin Card from the Journey to Un’Goro expansion due for release in April.
It’s a Paladin class minion and the card reads: Battlecry: Adapt 5 times.
You can get The Last Kaleidosaur by opening packs from the Journey to Un’Goro set.
If you want to know more about how the Quest keyword works check out this post.