Arthas, Misguided Passion

Level up {w}{r/w} ({w}{r/w}: Put a level counter 2/2
on this. Level up only as a sorcery.)
Partner with Kel'Thuzad, Pragmatic Lich
Level[1-6] {t}: Prevent all damage that 3/3
would be dealt to Arthas, Misguided
Passion until end of turn.
Level[7+] {t}, Sacrifice five Humans: 4/4
Transform Arthas, Misguided Passion
into Arthas, The Lich King.