2010-08-15
After the second ability resolves, the revealed card stops being revealed in its owner's hand.
2010-08-15
Islandwalk cares about lands with the land type Island, not necessarily lands named Island.
2010-08-15
The next time Merfolk Spy deals combat damage to the same player, the card that's revealed at random may be the same card or may be a different card.
2010-08-15
The second ability triggers just once each time Merfolk Spy deals combat damage to a player, regardless of how much damage it deals.