- Fallen Empires
- Until end of turn, whenever a player taps an Island for mana, that player adds an additional .
Legal in: Commander, Duel, Legacy, Oldschool, Vintage
Banned in: Pauper
2010-03-01: The delayed triggered ability triggers and produces any time a land with the land-type Island is tapped for mana, even if that land has other types or the mana for which it was tapped is another color. For example, if you tap a Breeding Pool for , High Tide will give you an extra .
2010-03-01: The effect applies even if the Island in question entered the battlefield after High Tide resolved.