Corrosive Scales [LED2-EN010] Rare ST1-06 Once per turn: You can

Once per turn: You can discard up to 2 cards

Set: Advent Calendar 2018 Card type: Tuner/Effect Monster Rarity: Ultra Rare Attack: 400 Defense: 900 You can discard 1 card

You can only activate 1 "Silver's Cry" per turn

The set itself contains a whopping 1

you can add 1 excavated Spell/Trap to your hand

Corrosive Scales [LED2-EN010] Rare ST1-06 Once per turn: You canSet: Legendary Duelists: Ancient Millennium Card type: Normal Trap Rarity: Rare Target 1 Insect monster you control; equip this card to it. Your opponent's monsters cannot attack Insect monsters, except the equipped monster you control. Each time your opponent Normal or Special Summons a monster(s), or their activated card or effect resolves, place 1 Scale Counter on each face up monster your opponent controls. Each monster your opponent controls