Hall of Storm Giants - Adventures in the Forgotten Realms Promos - 257a

Land

If you control two or more other lands, this land enters tapped.
{T}: Add {U}.
{5}{U}: Until end of turn, this land becomes a 7/7 blue Giant creature with ward {3}. It's still a land. (Whenever it becomes the target of a spell or ability an opponent controls, counter it unless that player pays {3}.)

Rare · Adventures in the Forgotten Realms Promos · #257a (PAFR)

Illustrated by Johannes Voss