You warp the boundaries between worlds, causing the boundaries to fade and mingle.

Daily   ✦     Arcane, Teleportation, Zone
Standard Action      Area burst 2 within 10 squares

Effect: The burst creates a zone of planar instability that lasts until the end of your next turn. While within the zone, you and any ally gain a +2 power bonus to AC and Reflex and can teleport 2 squares as a move action.

Sustain Minor: The zone persists.

Published in Player's Handbook 2, page(s) 74.