Description, catalog fields, rules text, and how it plays—in one place.
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Whenever another permanent you control enters, each opponent mills a card.
Abilities, attacks, weakness & resistance
Other cards from Magic Online Promos
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Altar of the Brood (PRM 55787 foil) is an artifact promo from the Magic Online Promos set. Whenever another permanent you control enters the battlefield, each opponent mills a card. Its repetitive, low-cost milling trigger makes it useful in decks aiming to mill opponents or generate incremental advantage in artifact or token strategies.
Catalog pricing data as of 18 Apr 2026, 15:47
