An Anti-Meta Deck is any Deck that is built to counteract the most popular Decks being played. There are many different Anti-Meta Decks, such as, "Monarch," Yosenju," "Evilswarm," "Little City" "Gravekeeper's", "Gadget Oppression", "Meklord" and "Stun". The usual theme of Anti-Meta Decks is to prevent the opponent's Special Summon, as many current Decks in the metagame focus on Special Summon. Some Anti-Meta decks focus on banishing your opponent's monsters, since most meta Decks require the Graveyard to work, or else can't function while certain components are banished. Likewise, some decks revolve around banishing their own cards to reach their goals, with cards like "Imperial Iron Wall" being prevalent in formats. The types of Anti-Meta decks used changes occasionally every format.