A defensive trap for Yudias and that’s about it.

Not confirmed for release, et. al. but whether you believe it or not is your problem!

ギャラクティカ・ヒーリング Galactica Healing
Normal Trap Card
【REQUIREMENT】 When an opponent’s monster declares an attack.
【EFFECT】 Send the top 3 cards of your Deck to the GY, then, gain 300 LP times [The number of monsters sent to the GY by this effect]. If 3 Galaxy monsters were sent to the GY with this effect, also, neither monster is destroyed by that battle.

Source