Yoshihiro Kira

Flying

At the beginning of combat on your turn, put a +1/+1 counter on another legendary creature you control. It gains haste until end of turn and must attack this turn if able.

Atom Heart Father — {4}{w},{t}: Exile target creature an opponent controls until Yoshihiro Kira leaves the battlefield. If that creature blocked a legendary creature you control this turn, exile Yoshihiro Kira and that creature instead. Activate only during your turn.