Ultra Beast Xurkitree

Worm Hole — At the beginning of your upkeep,
you may exile Ultra Beast Xurkitree from your
hand. At the beginning of combat on your turn
you may pay {1}{r}{w}. If you do, put Ultra Beast Xurkitree from exile onto the battlefield under
your control tapped and attacking. Sacrifice it at
the end of combat.
When Ultra Beast Xurkitree enters the
battlefield, it deals damage equal to its power to
any target.