Pencil Koala (G-BT02/088EN) [Soaring Ascent of Gale & Blossom]

[AUTO]: Forerunner (When a unit of the same clan rides this unit, you may call this unit to (RC)) [AUTO](RC) Generation Break 1 (This ability is active if you have one or more face up G units in total on your (VC) or G zone) :When an attack hits a vanguard during the battle that this unit boosted, choose another of your rear-guards, and you may have that unit get [Power]+4000 until end of turn. If you do, at the end of that turn, draw a card, and retire that unit.