Elder Deep-Fiend

老いたる深海鬼 (Elder Deep-Fiend) (ja)

Creature - Eldrazi Octopus | Power/Toughness: 5 / 6 (CMC 8)
Flash
Emerge (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.)
When you cast this spell, tap up to four target permanents.