Lookout's Dispersal

Oracle Text

This spell costs 1 less to cast if you control a Pirate.

Counter target spell unless its controller pays 4.

Card Rulings

9/29/2017 Once you announce that you’re casting Lookout’s Dispersal, no player may take other actions until the spell’s been paid for. Notably, players can’t try to raise the spell’s cost by removing your Pirates.