Gravekeepers

Deck Introduction
Gravekeepers offer a mixture of stun and control strategies and their specialty is locking out access to the Graveyard. Gravekeeper's Spy allows you to search any Gravekeeper out of the deck to meet whatever situation you may find yourself in (a very powerful effect), while Necrovalley acts as a floodgate to lock your opponent out of their Graveyard all the while beefing up your Gravekeepers. With a lucky enough opening hand, the oldest archetype in the game can even rip every monster from your opponent’s hand before they’ve even taken a turn!

Deck Strategy​
Gravekeepers have received some notable support cards since the days of Goat Format allowing them to better play through the restrictions imposed by Necrovalley. Gravekeeper's Commandant acts as a searcher for Necrovalley; Gravekeeper's Steele allows you to recycle Gravekeepers from your Graveyard while Necrovalley is active and Gravekeeper's Descendant enables you to sacrifice your weaker Gravekeepers to destroy your opponent’s cards and push through for game.
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Existing Gravekeeper strategies that have been around since Goat Format are still in effect for Edison. Gravekeeper's Spy is still the ace monster of the deck; Gravekeeper's Guard and Assailant are both useful for dealing with powerful monsters and Royal Tribute is still one of the most powerful discard effects in the game with the ability to essentially end the game for your opponent as early as turn one.

Strengths and Weaknesses
Gravekeepers make use of several floodgates in their trap line up as they do not rely on Extra Deck Monsters to do the heavy lifting. Skill Drain is a powerful answer to many aggressive combo decks, and while it does prevent you from resolving the effects of Gravekeeper's Spy and Descendant it doesn’t matter when considering the simplified game state that has been generated from it. Another strength of the deck comes from Necrovalley locking out access to the Graveyard, this kills the utility of top tier cards like Pot of Avarice, Plaguespreader Zombie, and Debris Dragon.
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Gravekeepers, though they are strong, are not without their weaknesses. The reliance on Flip Monsters to generate card advantage makes the deck susceptible to Nobleman of Crossout and Shield Crush. Additionally, with no way of recurring Necrovalley, should it be destroyed, and with rulings at the time dictating that only a single field spell may exist on the board at a time, Gravekeepers are going to struggle against decks with extra Spell and Trap removal.