flavorText: The dry riverbed became a raging torrent, and the Cho-Arrim claimed their prize.
name: Tidal Bore
originalText: You may return an island you control to its owner's hand instead of paying Tidal Bore's mana cost.
  Tap or untap target creature.
printings: MMQ
text: You may return an Island you control to its owner's hand rather than pay this spell's mana cost.
  You may tap or untap target creature.
type: Instant