Glacial Tower
Land (Rare)

Glacial Tower enters the battlefield tapped unless you control an enchantment.

Tap: Add U to your mana pool. Activate this ability only if you control an Island.

Tap: Add W to your mana pool. Activate this ability only if you control a Plains.

Tap: Prevent the next 1 damage that would be dealt to target creature this turn.

Allan Sweet