Emrakul's Counterbore

For each creature your opponent controls, Create
a 5/5 blue Wave token with Haste and "Wave
must be blocked by exactly one creature if able."
Destroy all tokens creatures at the end of the
round.
"Realizing she was imprisoned, Emrakul struck
out as best she could. Her wrath destroyed the hardy
few who live on the Stenasian coast and smote the
feet of Innnistrad's western mountains.