Wiselka, The One River

{t}: Add {g/u}{g/u}{g/u}
{g/u}: Flood target basic land.
(To flood basic land put a flood counter on it. Flooded land is an Island)
{b}{r}: Put any number of Fish creatures from
your hand onto the battlefield.

When Wiselka, The One River enters the battlefield destroy all other Wiselka, The One River lands.