Riolu

Riolu can't be detained. {t}: All damage that would be dealt to target
creature this turn is dealt to Riolu instead. {4},{t}: Copy target activated ability from a tapped
creature. You may choose new targets for the
copy.
{3}, {t}: Sacrifice Riolu, search your library for a
red and white Jackal Warrior artifact creature
card with converted mana cost 5 or less, put it on
the battlefield tapped, then shuffle your
library.