Emrakul, Moon Trapped

Flying, Indestructible
Suspend 12—{4}
You may suspend Emerakul, Moon Trapped
from the command zone.
As long as Emrakul is on the battlefield or in exile, other Eldrazi spells you cast cost {1} less, and
Horror spells you cast cost {1} less.(Other Creatures
that are both cost {2} less to cast)