While Appa notably only airbends your permanents, its possible airbending can be done to an opponents permanents
But the two other modes are often useful too
Legends like Graaz, Unstoppable Juggernaut who turns all your creatures into 5/3 Juggernauts, or the new variant of everyones favorite Phyrexian Angel, Atraxa, Grand Unifier, which gives us a Niv-Mizzet Reborn effect that looks at cards types instead of colors
Use Magic cards featuring Clue -inspired characters to solve the mystery
Enchantment - Aura Color tag templates(None) Ranger Class (Gain the next level as a sorcery to add its ability.) When this Class enters, create a 2/2 green Wolf creature token
Healing for 10 HP isn't the best, but it can still mean the difference between getting a KO or not