The Boogeyman

When you cast The Boogeyman, roll a six-sided
die. The Boogeyman becomes a copy of the
following permanents for the rest of the game
based on the die result.
1- Siege Rhino
2- Emrakul, the Promised End
3- Jace, the Mind Sculptor
4- Oko, Thief of Crowns
5- Hogaak, Arisen Necropolis
6- The One Ring