Suriel, Phyrexian Scourge

Shroud
Flying, First strike, Lifelink, Indestructible,
Trample, Vigilance, Deathtouch, Menace
Gordoniela, Phyrexian Scourge cannot be
sacrificed.
When Suriel, Phyrexian Scourge enters the battlefield, if you didn't cast it from your hand or
the command zone, you lose the game.