Mythiarq, Miumililin

[AUTO]:When this unit is placed on (RC), if you have three or more units with "Mythiarq" in their card names, this unit gets [Power] +5000 until end of turn. Then, [COST][Soul-Blast 1], choose one of your opponent's rear-guards, and that unit cannot [Stand] during your opponent's next stand phase. [ACT](RC)[1/turn]:If you have a grade 3 or greater vanguard with "Mythiarq" in its card name, [COST][bind a rear-guard with "Mythiarq" in its different card name from this unit], and call the card bound for this cost to (RC).