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Impervious Greatwurm (273) [Buy-A-Box Promos]
$7.75
Buy-A-Box Promos
Creature — Wurm
mythic
{7}{G}{G}{G}
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Indestructible