The Battle of Myeongnyang

The Battle of Myeongnyang can't be countered.
At the beginning of the declare blockers step on each of your opponents turns, roll a dice. On an even number, creatures your opponents control get -2/-2 until the end of turn. On an odd roll, creatures you control get -1/-1 until the end of turn and you draw a card.
"Tides can change, for better..... or worse"