yugioh flip deck upside down monster Reverse Jar - Yugipedia

When you roll a natural 20, return this card from your graveyard to your hand

Many cards encourage all sorts of interesting strategies, such as Goodra's high-damage Hydration + Soaking Horn combo, or Magnezone's ludicrous set-up ability that removes the limit on attaching electric energy

Glossy sleeves make card art pop, but they can get sticky and are prone to glare, making them less practical for shuffling

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Though I'm worried that its effect is too easy to use for the card to be balanced