Blade Dragon, Jigsawsaurus
[AUTO](RC)[Generation Break 1]:[Counter-Blast 1 & Choose one of your other rear-guards, and retire it] When this unit attacks a vanguard, if this unit is boosted ([Boost]), you may pay the cost. If you do, choose up to one of your opponent's rear-guards, retire it, and until end of turn, this unit gets [Power] +5000, and "[AUTO](RC):When this unit's attack hits a vanguard, draw a card.".
Look carefully. Until they fall apart.