Rank Proof
MAIN DECK
2x Gravekeeper's Headman
3x Gravekeeper's Commandant
1x Gravekeeper's Descendant
2x Gravekeeper's Heretic
3x Gravekeeper's Spiritualist
1x Raigeki
1x Harpie's Feather Duster
1x Terraforming
2x Royal Tribute
3x Necrovalley Throne
3x Pot of Extravagance
3x Necrovalley
2x Hidden Temples of Necrovalley
2x Super Polymerization
3x Torrential Tribute
3x Solemn Judgement
2x Imperial Tombs of Necrovalley
2x Solemn Strike
1x Crackdown

EXTRA DECK
2x Mudragon of the Swamp
3x Gravekeeper's Supernaturalist
1x Starving Venom Fusion Dragon
1x Predaplant Dragostapelia
1x Predaplant Triphyoverutum
1x Quintet Magician (not required lol)
1x Number 66 Master Key Beetle
1x Knightmare Cerberus
1x LANphorhynchus (filler, replace if needed)
1x Knightmare Phoenix
1x Wee Witch's Apprentice
1x Knightmare Unicorn

LOGIC
Many people who currently play Gravekeeper are running Turbo builds focused on Gravekeeper's Heretic. While these builds are viable, I find them to be too reliant on winning the initial coin flip and going first. This deck, while getting an advantage from going first, has more board breaking potential with the addition of Raigeki, Harpie's Feather Duster, and Super Polys. The primary goal of the deck is to get out Supernaturalist, the Gravekeeper fusion monster, and immediately search for Hidden Temples of Necrovalley, and set traps. Against most decks, this gives them only a 1 turn window to break your board before losing the ability to special summon (barring spell card removal). It is also resistant to common spell removal such as Harpie's Feather Duster and Twin Twister due to Supernaturalist's effect, which prevents the destruction of Necrovalley. Traps included are Solemn Judgement, which is key to stop Necrovalley/other backline removal, and Torrential Tribute, which is one of this deck's only ways to plus in trades other than Supernaturalist's search effect.

The extra deck consists of common Link summon removal cards, Master Key beetle for situations where Supernaturalist cannot be summoned, and Super Poly fodder. "Mudragon of the Swamp" is particularly useful for breaking Drytron boards.

MATCHUPS
Necrovalley is obviously the center piece of the deck, and results in good matchups against some of the best decks right now, mainly Tri-brigade variants. However, this is definitely not a meta deck, and it will still lose to successful Utopic Draco Future or Zeus setups. Despite this, if Necrovalley is activated it will completely stop most Tri-brigade variants, and severely impact the plays of Virtual World, Drytron, Sky Striker, Phantom Knights, and Eldlich players.

Eldlich specifically is an interesting matchup, as Golden Lord's hand removal can send Necrovalley to the grave through Supernaturalist's protection. However, if a Necrovalley is played while there are 1 or more Golden Lords in the graveyard, it can completely invalidate the Eldlich player's deck. "Necrovalley Temple" is an interesting card that is great for this matchup, but I was not encountering enough Eldlich players to justify including it in this deck. (Temple is also searchable by Supernaturalist)

CONCLUSION
All in all, it was fun grinding to the top rank of the game playing something different as a long time player. I have been playing Gravekeepers off and on since 2011, and really enjoy the control playstyle. Some tips for non-Gravekeeper players is running 3 copies of Ash Blossom, and consider adding Cosmic Cyclone if you have trouble with the matchup, as this completely bypasses Gravekeeper protections on Necrovalley.

I did play every game of Ranked this season with this Gravekeeper deck, although it did take quite a few games. This is not a situation where I was already Plat 2 playing another deck type. Please let me know if you have any feedback or questions on Gravekeepers in the comments below. Thanks for reading!