Ambitious Spirit Revenger, Cormack

:[Legion 20000]"Fighting Spirit Revenger, Macart"(If your opponent's vanguard is grade 3 or greater, this unit may return four cards from your drop zone into your deck once, search your deck for the specified card, and Legion) :[Choose one of your rear-guards, and retire it] When this unit attacks a vanguard, if this unit is [Legion], you may pay the cost. If you do, this unit gets +1 until end of that battle. :When this unit attacks a vanguard, if you have another unit in your middle column, this unit gets +3000 until end of that battle.