Atraxa, The Ultimatum

Flying, Deathtouch, Lifelink, Ward {p/w}
When Atraxa enters the battlefield, you may pay
4 life. If you do, she enters with a First Strike
counter and a +1/+1 counter on her.
Whenever another Phyrexian you control with a
counter on it dies, you may pay {p/b}. If you do,
Atraxa gets +1/+1 until end of turn and you may
proliferate.