name: Submerge
originalText: If an opponent controls a forest and you control an island, you may play Submerge without paying its mana cost. 
  Put target creature on top of its owner's library.
printings: NEM, PLST, WC00
text: If an opponent controls a Forest and you control an Island, you may cast this spell without paying its mana cost.
  Put target creature on top of its owner's library.
type: Instant