Quicksilver Fountain MRD/233

Set: Mirrodin
Collector Code: MRD/233
Name: Quicksilver Fountain
Type: Artifact
Oracle text: At the beginning of each player's upkeep, that player puts a flood counter on target non-Island land they control of their choice. That land is an Island for as long as it has a flood counter on it. At the beginning of each end step, if all lands on the battlefield are Islands, remove all flood counters from them.
Rarity: Rare