The first one: 1 weapon damage + wisdom modifier. Heroes of the Fallen Lands page 25 says
A [W] in a damage roll expression is a variable that stands for the damage dice of the weapon used to deal the damage. The number before the [W] indicates the number of times to roll the weapon dice. For example, if a power deals 2[W] + Strength modifier damage, and the attacker uses a dagger (1d4 damage), roll 2 four-sided dice (2d4), then add the attacker's Strength modifier.
Edit 2 You can find this information in page 273 of the Rules Compendium, in the Reading a Weapon Entry subsection.
Edit 3 As Allen says, an attack that did
2d4 normally would be augmented to
2*2d4 = 4d4. You get to multiply the whole dice expression.