Library of Leng [Alpha Edition] Island Mountain You can only use this

You can only use this effect of "Number 55: Gogogo Goliath" once per turn

Set: Structure Deck: Synchron Extreme Card type: Tuner/Effect Monster Rarity: Common Attack: 400 Defense: 200 If this card is in your Graveyard: You can place 1 card from your hand on the top of the Deck

Set: Cyberdark Impact Card type: Effect Monster Rarity: Rare Attack: 2500 Defense: 1600 This card cannot be Special Summoned

Scholars possess such lofty knowledge that it shouldn't be surprising when they fall

Library of Leng [Alpha Edition] Island Mountain You can only use thisSet: Alpha Edition Type: Artifact Rarity: Uncommon Cost: {1} You have no maximum hand size. If an effect causes you to discard a card, discard it, but you may put it on top of your library instead of into your graveyard.