Hall of Storm Giants

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