Performapal Sellshell Crab (MP17-EN002) - 2017 Mega-Tins Mega Pack 1st Edition

Pendulum Effect : Once per turn, when a "Performapal" monster you control is destroyed by battle: You can target 1 "Performapal" or "Odd-Eyes" card in your Pendulum Zone; Special Summon it.
Monster Effect : Once per turn: You can target 1 Pendulum Monster you control; it gains 300 ATK for each "Performapal" monster you currently control, until the end of this turn.