Endbringer's Revel
Most graveyard-recursion enchantments hand the loop to a single owner and let them grind value uncontested. This one builds a shared machine instead: any player may pay four, at sorcery speed, to pull a creature from any graveyard back to its owner's hand. That open access is the whole tension. The cost is steep enough that you rarely want to feed an opponent's recursion, and the sorcery-speed gate means there are no end-of-turn ambushes off it. Every activation happens in plain view, on someone's main phase, with priority passing afterward. The design reflects a school of thought that leaned on communal, expensive, repeatable permanents in deliberately grindy, mana-rich environments: power that sits on the board for everyone, priced to punish greed. The practical result favors whoever has the deepest graveyard and the most mana to spend, which is less a deckbuilding payoff than a slow lever for attrition mirrors. The effect is more thought-provoking than effective: a permanent that asks the whole table to negotiate access to a resource, then prices that resource high enough that the negotiation usually resolves into nobody touching it at all.
