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The "legend rule" doesn't apply to Slivers you control. Each Sliver creature card in your graveyard has encore {X}, where X is its mana value. Encore {5} ({5}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)
Abilities, attacks, weakness & resistance
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Wastes
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Sliver Gravemother (CMM 777) is a legendary Sliver creature from Commander Masters that carries the Encore keyword and affects Sliver cards in your graveyard. It grants each Sliver creature card in your graveyard an encore cost and also makes the legend rule not apply to Slivers you control. Its encore ability can exile itself from the graveyard to create token copies that attack opponents and gain haste, serving as a graveyard-based swarm engine for Sliver decks.
Catalog pricing data as of 5 May 2026, 18:03