modern horizons booster box case MTG: 2 Set Pack Play Boosters are the ideal booster for the play environment—especially Limited format events Modern Horizons 3 Collector Booster

Once per turn: You can excavate the top card of your Deck, and if it is a DARK monster, add it to your hand, otherwise shuffle it into the Deck

In some cases, the writers agree

For very high end, expensive cards, the private auction houses like Heritage, Goldin, or PWCC may have more current sales data available

Return 1 face-up or face-down Cyberdark monster you control the hand (reveal it if it is face-down), and if you do, immediately after this Skill resolves, you can Normal Summon 1 Cyberdark monster

The format was originally announced as a Best-of-One unranked format, but Wizards said that they will be introducing a Best-of-Three Historic ranked queue in December