You and other non-land permanents you control have Ward {X}, where X is the number of wardstones you control.

{6}, {T}: If control at least one card named Wardstone, scry 1. Then, if you control at least three cards named Wardstone, scry 3. Then, if you control at least five cards named Wardstone, scry 5. Then, if you control at least seven cards named Wardstone, draw 5 cards.