Wonder Balloons

Yu-Gi-Oh Card: Wonder Balloons
Available from these partners:
Wonder Balloons
Type:Continuous Spell
Text:Once per turn: You can send any number of cards from your hand to the Graveyard; place 1 Balloon Counter on this card for each card sent to the Graveyard. All monsters your opponent controls lose 300 ATK for each Balloon Counter on this card.
Printings: 2015 Mega-Tin Mega Pack (MP15-EN166)
Legendary Duelists (LEDU-EN049)
Star Pack ARC-V (SP15-EN042)
The New Challengers (NECH-EN055)