As for what the song does, it allows you to remove up to a total of four damage from any number of your characters, and you gain one lore for each point of damage removed using this song
Sullivan, aka Sulley, from Monsters, Inc
Baymax, the lovable and huggable robot with a heart of gold
Interestingly, amber is one of the favorite colors for an aggressive playstyle thanks to a number of low-cost characters with high questing potential
If you are capable of healing your cards, through items, actions, or character abilities, and Beast, Tragic Hero has damage on them at the start of your turn, you can let them attack and then heal them, allowing you to still benefit from the increased strength but keeping them healthy enough to stick around
Buy the Sapphire and Steel Starter Deck for Disney Lorcana on Zatu.