Durnehviir, Dragon Lich

Flying, Deathtouch

Dragons and Zombies you control have Undying

Soul Cairn Summon: {b}{b}{u}{1}, Sacrifice a Zombie
or Dragon you control, Create {x} 1/2 Bonemen Creature Tokens where {x} is half the sacrificed creatures toughness, rounded up

Skuldafn fen kos dinok," "Skuldafn will be death