Keiga, Ryuu of Minamo

Keiga, Ryuu of Minamo can't be countered.
When Keiga, Ryuu of Minamo enters the battlefield, put a submerge counter on target
nonland permanent for each Island you control. Nonblue permanents with a submerge counter
on it lose all abilities and can't attack or block.
{u}, Remove a submerge counter from target permanent: Counter target spell unless its
controller pays {1}.