Dragritter, Mardau

[AUTO]:When this unit is placed on (RC), if you have a grade 3 or greater vanguard with "Alphard" in its card name, [COST][Counter-Blast 1], choose one of your opponent's rear-guards, retire it, and this unit gets [Power]+5000 until end of turn. [AUTO](RC):When this unit attacks, if you have a grade 3 or greater vanguard with "Alphard" in its card name, and your damage zone has three or more cards, this unit gets [Power]+5000 until end of that battle.