Arlin, Sleuthing Rogue

Double Strike, Skulk (This creature can't be blocked by creatures with greater power)
Whistling Distraction - Tap Arlin, Sleuthing Rogue and remove her from combat to give
a different target Rogue you control +3/+2
or +0/+6 until end of turn. If this ability was used during your turn, untap target Rogue during the next end step.