Zion

({t}: Add {w}, {u}, or {b}.)
As Zion enters the battlefield, you may pay 3 life. If you don't, Zion enters the battlefield tapped.
"I remember that for 100 years we have fought these machines. I remember that for 100 years they have sent their armies to destroy us. And after a century of war, I remember that which matters most:
We are still here!"