Aegon I Targaryen

Blood {u/r}({u/r}: This creature becomes an Aura
enchantment with enchant creature. Attach it
to target creature you control with Fire. Activate
this ability only if this card is a creature.)
When Aegon enters the battlefield, search your
library for a Dragon creature card, reveal it, put
it into your hand, then shuffle your library.
Enchanted creature has haste and hexproof.