Rise of the Dark Realms returns every creature card from every graveyard to the battlefield under your control. Its nine-mana cost makes it a late-game payoff for ramp, self-mill, or a long series of creature exchanges. The spell can rebuild your own board while taking the strongest creatures opponents expected to recover themselves.
Entry abilities make the resulting board matter before combat. Eternal Witness can recover another card, and creatures with removal or drain abilities can change the game immediately. The creatures are not cast, so cast triggers do not occur. Graveyard exile before resolution can remove intended resources, and newly returned creatures still need haste if you want them to attack that turn.
Graveyard strategies benefit from choosing which resources should remain available for later use. A creature with a strong entry ability can be valuable even when it is too small to dominate combat, while an engine permanent may matter more than the largest threat. Match recovery to a card you can actually cast or use soon, rather than simply selecting the most expensive option.
Choose the casting window around the graveyards already available. A table that has repeatedly traded creatures can offer far more value than a quiet board with little in any graveyard. Simultaneous entries may create many triggers, so order your own triggers deliberately and plan how the returned creatures will finish or stabilize the game.
