Erin, Chandra's Adovcate

When Erin, Chandra's Advocate enters the battlefield, search your library for a Chandra Planeswalker & put it into your hand.
If you control a Chandra planeswaker, Erin, Chandra's Advocate gains, Haste, First Strike & {r}: Erin, Chandra's Advocate gets +1 +0 until end of turn