Flameling Adolescent

Enchant creature, mount 4 (When enchanted creature is dealt four or more damage, sacrifice this enchantment.)
Enchanted creature gets +4/+4 and has flying
and first strike.
Flamelings are known for their aggressive nature, and for bonding with their riders until death. For the right master, they will happily fly in the face of incredible danger, and even face older dragons.