Here is the full list of all 20 Magicolors achievements.
Energize 50 objects
Burn 50 objects
End the game with 3 starts in all levels
Finish the TEMPLE scenario with 3 stars in all levels
End the game
Finish the TEMPLE scenario
Acquire the ENEGY spell
Finish the VOLCANO scenario with 3 stars in all levels
Finish the VOLCANO scenario
Acquire the HEAT spell
Finish the ICE MOUNTAIN scenario with 3 stars in all levels
Finish the ICE MOUNTAIN scenario
Freeze 50 objects
Make 99 moves in one level
Acquire the FREEZE spell
Finish the HOME scenario with 3 stars in all levels
Finish the HOME scenario
Push 50 objects
Shoot 99 spells in one level
Acquire the PUSH spell