Sindragosa, Death of Dragons

When Sindragosa, Death of Dragons enters the battlefield, sacrifice six creatures. If you can't, each player loses 5 life and then sacrifice two creatures. Then Destroy target non-land permanent.
Flying,Deathtouch, Killer 3
"When the Lich King raised her from the ice, the Multi-verse shivered in fear."- Shal, Demon Huntress