Tranquil Cove

Hexproof
Tranquil Cove enters the battlefield with 15
Hatch counters on it.
{1}: Remove a hatch counter from Tranquil Cove.
At any point, if Tranquil Cove has 0 hatch
counters, create an 11/11 Ghost Leviathan
creature token with trample and sacrifice
Tranquil Cove.