Effect
Once per turn: You can send any number of cards from your hand to the GY; place 1 Balloon Counter on this card for each card sent to the GY. All monsters your opponent controls lose 300 ATK for each Balloon Counter on this card.
When activating the card "Wonder Balloons," the effect "①: Once per turn: You can send any number of cards from your hand to the GY; place that many Balloon Counters on this card" is not performed. You must activate the effect separately after the card "Wonder Balloons" has been activated. (Sending cards from your hand to the GY occurs when you activate that effect.)
When activating the effect "①: Once per turn: You can send any number of cards from your hand to the GY; place that many Balloon Counters on this card," you send any number of cards from your hand to the GY as the cost. (This effect can only be activated during your Main Phase.)
The effect "②: As long as this card is in the Spell & Trap Zone, monsters your opponent controls lose 300 ATK for each Balloon Counter on this card" does not start a Chain.
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