yugioh legacy of the duelist link evolution shaddoll deck Yu-Gi-Oh! Trading Cards: Showdown Structure Improving my Shaddoll deck :

High Priestess of Prophecy X LIGHT Level 7 [ Spellcaster / Effect ] ATK 2500 DEF 2100 You can reveal 3 "Spellbook" Spells in your hand

What makes this particular Spell so important is that it acts as a searcher for all of them

banish 1 monster your opponent controls, and if you do, your opponent cannot summon monster(s) with the same name as the banished card for the rest of this turn

When discarded by a card effect, he can target and destroy a card the opponent controls, but if the opponent discarded it it can also look at one of the opponents cards randomly, and special summon it to their field if its a monster

Cycle through your deck with Nephthys monsters and Loading

As you can see, in the main deck there are 39 cards