Was trying to make a monster that worked with a field spell I had made, and came up with this

[NeoRWBY65]

Disharmonious Fairy- Long Thrower
DARK
Level 4
Fairy/Effect
After this card attacks, look through your opponent's deck. Select and special summon one monster from your opponent's deck to your opponent's side of the field, then shuffle your opponent's deck.
ATK 2300/DEF 0

The Field Spell causes problems for your opponent if the monsters on his/her field do not match each other's types. That is what this card is trying to do.