You can Tribute Summon this card by Tributing 1 "Gravekeeper's" monster. This card gains 200 ATK for each "Gravekeeper's" monster in your Graveyard. If this face-up card on the field would be destroyed, you can discard 1 "Gravekeeper's" monster instead.
Gains attack for every Gravekeeper in your graveyard.
Weak base stat.
Here are some Gravekeeper cards to help summon Gravekeeper's Visionary and fuel his protection effect. You can revive Gravekeeper's Visionary in your graveyard when you tribute summon Gravekeeper's Chief.
These Spell/Trap cards are used to support the Gravekeeper Archetype. Also, because all Gravekeeper monsters are Spellcaster-type, Spellcaster support also work well in their deck. You can special summon Gravekeeper's Visionary from your deck with Magician's Circle.