Aria, The Ourobora

Hexproof, Defender, Hero

{t} Put a creature with less mana value than Aria,
the Ourobora from your hand face-down as a 2/2 Manifest. It is a Civilian while face-down. The creature gains Morph {3} if it didn't already.

{t} Search your library for a YAS character.
Reveal it and put it in your hand, then shuffle.