illicit cards arkham horror LCG – Edge of the Earth Card Previews (contains spoilers) – Mythos Busters as you wonder what to make of everything youve seen 41 Derringer - The Pallid

This is the moment portrayed in the card Betrayal at the Vault, and I think the flavor text here speaks to it perfectly

While this card remains on the field, any opponent's monster that battles with one of those monsters is changed to Defense Position at the end of the Battle Phase, and cannot change its battle position while this card is on the field

They first appeared in the Pokmon video games for you to choose one as your companion at the start of the game

it can also stick around as a permanent part of your board if energy equal to the cards mana value is paid

Sheldon was fascinated by it and added some tweaks

Special Summon 1 Level 4 Fairy monster from your Deck, except "Condemned Witch"