Barnacle Bender

Haste
{t}{x}: Put a drowned counter on up to X target
creatures an opponent controls. Creatures with drowned counters on them cannot block and
prevent all damage they would deal to merfolk
creatures you control. Whenever Barnacle
Bender leaves the battlefield or becomes
untapped, remove all drowned counters from all creatures. You may choose to not untap Barnacle Bender during your untap step.