Not To Scale

Multikicker {u}{u} (You may pay an additional {u}{u} any number of times as you cast this spell.)
Choose target attacking or blocking creature then choose an extra target attacking or blocking
creature for each time this spell was kicked.
Those creatures get -X/-X until end of turn
where X is equal to the number of blue
permanents you control.
"Your trickery is showing..." -Merfolk Spellbreaker