Aatrox, The Darkin Blade

Flying, First Strike, Undying
{p/b}: Aatrox, The Darkin Blade battles target
enemy creature
{b}{r}: Choose one -- Aatrox, The Darkin
Blade gets +3/+0 until end of turn; or
Aatrox, The Darkin Blade gains lifelink until
end of turn