A trap card meant to be activated when an opponent attacks, Mirror Force reads "When an opponent's monster declares an attack: Destroy all Attack Position monsters your opponent controls." Mirror Force being a one-sided board wipe made it a powerful card in Yugi's arsenal
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Blackmail Target player reveals three cards from their hand and you choose one of them for that player to discard Duress Target opponent reveals their hand and you choose a noncreature, nonland card for that player to discard Encroach Target player reveals their hand and you choose a nonbasic land card for that player to discard (can hit non-basic lands!!) Grief A 3/2 creature with Evoke (Evoke cost is exile a black card from your hand) When it enters the battlefield, target opponent reveals their hand and you choose a nonland card for that player to discard Inquisition of Kozilek Target player reveals their hand and you choose a nonland card from it with mana value 3 or less for that player to discard Mires Toll Target player reveals a number of cards from their hand equal to the number of Swamps you control and you choose one of them for that player to discard Thoughtseize Target player reveals their hand and you choose a nonland card for that player to discard you lose 2 life Unmask Exile a black card from your hand rather than pay this spells mana cost Target player reveals their hand and you choose a nonland card for that player to discard There are tons and tons of Black discard effects in MTG

6 Koga A Substitute For Switch By all means, Koga should have the same problems as Blaine, considering it is limited to being used on Pokemon such as Muk or Weezing
This could have been fine if Darkfire Dragon had decent stats, but even the majority of other Main Deck monsters from this booster can easily attack over a monster that requires using three cards to summon
Over the years, dragons in the Yu-Gi-Oh Trading Card Game have carved out a spot as one of the most popular monster types for fans to collect and battle with