Irragin, Derelict Citadel

If you control atleast 3 other beach lands the cost
of Irragin, Derelict Citadel is reduced by 4 gold.
Beach lands you control have " {t}, Create a
8/8 blue Kraken token with islandwalk and
trample. "
At the beginning of your precombat main
phase add {u} for each beach land you control.