Highmaster's Saddle

{3}{t}:Exile target creature you control.
Return it to the battlefield as an aura
attached to target dragon. Enchanted
dragon gets +X/+0 where X is the exiled
creature's power. Activate only as a sorcery.
When ancient copper dragon named Duranoc, formed a close bond with the half-elf Torloch, the half-elf became the first Dragon Knight.