Subterror Guru [MP20-EN047] Rare Toon Monster Set: Ancient Prophecy Card type:

Set: Ancient Prophecy Card type: Continuous Trap Rarity: Common When your opponent's monster declares an attack

Set: Return of the Duelist Card type: Effect Monster Rarity: Common Attack: 1500 Defense: 1400 Once per turn: You can shuffle 1 "Spellbook" Spell Card from your Graveyard into your Deck to target 1 face-up Spellcaster-Type monster on the field

destroy this card unless you reveal 1 Iron Core of "Koa'ki Meiru" in your hand

You can only use this effect of "Noble Knight Borz" once per turn

Subterror Guru [MP20-EN047] Rare Toon Monster Set: Ancient Prophecy Card type:Set: 2020 Tin of Lost Memories Card type: Flip Effect Monster Rarity: Rare Attack: 1600 Defense: 1800 FLIP: You can add 1 "Subterror" card from your Deck to your hand, except "Subterror Guru". You can target 1 other face up monster on the field; change that monster, also this card, to face down Defense Position. This is a Quick Effect if you control another "Subterror" card. You can only use each effect of "Subterror Guru" once per turn.