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| Set: | Eldritch Moon Prerelease Promos |
| Type: | Creature Spirit |
| Rarity: | Rare |
| Cost: | {G} |
Whenever Permeating Mass deals combat damage to a creature, that creature becomes a copy of Permeating Mass. Woodland geists concluded that Emrakul would be unable to warp the denizens of the forest if the geists got there first.
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