You may look at the top card of your main deck at any time.
When this card enters your field, reveal the top card of your main deck. If it's a resonator with total cost 5 or less, put it into your field. Otherwise, put it into your hand.
God's Art [Serenade of Rebellion]
: This card gains [+500/+500] until end of turn. Then it deals damage equal to its ATK to target J/resonator your opponent controls (Play God's Art [Serenade of Rebellion] only once per game.)