Wondering Knight, Rain

{{CardTable
 * nation = star gate
 * grade = 0
 * power = 5000
 * clan = Orbital Path
 * race = human
 * set1 = GCTD01/0?
 * flavor = I dream to reach the stars, aim high with me!
 * effect = {{Forerunner}} {{GB|AUTO|1||Once} When an attack hits a vanguard during the battle that this unit [Boost], you may choose one of your opponent's units, and that unit gets [Power]-3000 until end of your opponent's next turn. Then, choose one of your rear-guards, and that unit gets [Power] equal to the [Power] lost until end of turn.}}