Thundering Armor

Standard Action Close Burst 10
Primary Target: You or one ally in burst
Effect: The primary target gains a +1 power
bonus to AC until the end of your next turn.
Secondary Target: One creature adjacent to the primary target in burst
Attack: Intelligence vs. Fortitude
Hit: 1d8 +Intelligence modifier thunder damage, and you push the secondary target 4* square
away from the primary target.