Defender, the Magical Knight (Blue) [DL14-EN006] Rare WTR017-R You can only use each

You can only use each effect of "Snake-Eyes Diabellstar" once per turn

trash up to 1 card from the top of your opponent's Life cards

if it was a Flip Effect Monster

1 "Exosister" Xyz Monster using this face-up card you control as material

Defender, the Magical Knight (Blue) [DL14-EN006] Rare WTR017-R You can only use eachSet: Duelist League Promo Card type: Effect Monster Rarity: Rare Attack: 1600 Defense: 2000 When this card is Normal Summoned: Place 1 Spell Counter on it (max. 1). Once per turn, if a face up Spellcaster Type monster(s) on the field would be destroyed, you can remove 1 Spell Counter from your side of the field for each of those monsters, instead.