Roaring Thunder Dragon, Triumph Dragon

[ACT](VC)[1/turn]:[COST][Counter-Blast 1], search your deck for up to one card with the same card name as this unit, reveal it and put it into hand, shuffle the deck, and this unit gets [Power] +10000 until end of turn. [AUTO](VC):When this unit attacks a vanguard, [COST][Energy-Blast 4], choose one of your opponent's rear-guards, retire it, and this unit gets [Power] +5000/[Critical] +１until end of that battle. (Use four Energy to pay [Energy-Blast 4]!)