Brallins' Casting Cost

Whenever you cast Brallin, Skyshark Rider
from your command zone, put two cast
counters on Brallins' Casting Cost. As an additional cost to cast Brallin, Skyshark
Rider, pay {x}, where {x} is the number of
cast counters on Brallins' Casting Cost.
Storm's dying down. How can you tell? Not
as many sharks flying around.