Observer Zero, Dreamweaver

{u}{b}, {t}: Put a token that is a copy of target creature that was put into a graveyard this
turn onto the battlefield under your control.
It has siren in addition to its other types.
"I saw Calamity fall from the sky, like a flash of lightning. All those who followed its rebellion turned into the ugliest of images, yet all still
retain their glowing wings."