Wynaut

Defender, last strike.
Whenever a source deals damage to Wynaut,
Wynaut deals that much damage to that source. {p/c}{p/c}: Target creature attacks or blocks this turn
if able.
{w/u}{w/u}, {t}: Sacrifice Wynaut, search your library
for a white and blue Balloon Wierd Wizard
creature card with converted mana cost 5 or less,
put it on the battlefield tapped, then shuffle
your library.