Jovial Juggler

(Soul):While choosing cards from your soul for your vanguard's ability, this card may be chosen as a grade 0. :When this unit is placed on from soul by the ability of your vanguard with only Pale Moon for its clan, [put one other rear-guard into soul], choose a unit card from your soul, and call it to . At the end of that turn, put the unit called by this effect into soul.