Dragritter, Shuura: DZ Booster Set 01: Fated Clash

[AUTO](RC):When this unit attacks, [COST][Energy-Blast 2], and this unit gets [Power] +5000 until end of that battle. Choose up to one of your rear-guards with a different card name from this unit, and it gets [AUTO]:When this unit is retired from (RC), put this card into hand. until end of turn.[AUTO]:When this unit is retired from (RC) by the ability of your 3 or greater vanguard with Varga in its card name, if your opponent's vanguard is 3 or greater, [COST][Counter-Blast 1], call this card to (RC), and it gets [Power] +10000 until end of turn.