Mobile Fortress of Obliteration, Freischutz Maximum

[CONT]:You cannot play this card. Operate - [AUTO]Order Zone:When this card is operated, choose one of your opponent's rear-guards, retire it, choose one of your opponent's vanguards, and it gets [Power] -5000 until end of turn. [COST][Counter-Blast 1 & return a rear-guard to your hand], and call this card as a [Power] 23000/[Critical] 1 normal unit to an open (RC). If you called a card, put that unit into the order zone at the end of turn.