Melffy Mommy (MP21-EN130) [2021 Tin of Ancient Battles]

2+ Level 2 Beast monsters
<br>Once per turn (Quick Effect): You can attach 1 Beast monster from your hand or face-up field to this card as material. This card gains effects based on the number of materials attached to it.
<br>• 3+: Cannot be destroyed by battle.
<br>• 4+: You take no damage from battles involving this card.
<br>• 5+: When an attack is declared involving this card and an Attack Position monster: You can inflict damage to your opponent equal to that Attack Position monster's ATK.