Tyask, Umvale Reborn

Deathtouch

When Tyask enters, double the power of each other
creature you control until end of turn. Those
creatures gain vigilance until end of turn.

When Tyask dies or is put into exile from the
battlefield, you may put it into its owner's library
third from the top.
"Yeah, so.. He's his dead mom now.."-A Confused General