Oochidori Juumonji Yari

[AUTO](RC):When this unit attacks, [COST][Counter-Blast 1], and perform one of the following. ・This unit gets [Power] +5000 until end of that battle. ・Your opponent cannot intercept until end of that battle. ・Choose one of your opponent's back row rear-guards in the same column as a unit being attacked by this unit, and retire it.