Quicksilver Fountain | Magic: The Gathering
Formats Quicksilver Fountain is Legal in
Official Oracle Text for Quicksilver Fountain
At the beginning of each end step, if all lands on the battlefield are Islands, remove all flood counters from them.
Official Rulings for Quicksilver Fountain
12/1/2004 : The timestamp of the land-type-changing ability is set when the triggered ability resolves (so each one has a different timestamp).