Red River Dragoon

[AUTO]:When this unit is rode upon by a grade 2 card with only <Narukami> for its clan, search your deck for up to one "Eternal Thunderbolt", reveal it and put it into hand, and shuffle the deck. [AUTO](RC):When this unit boosts, if you have a grade 3 or greater vanguard with only <Narukami> for its clan, [COST][Counter-Blast 1], choose one of your opponent's back row rear-guards, and bind it. If you did not bind a card, you may [Soul-Charge 2].