Matzalantli, the Great Door // The Core

Legendary Artifact

{T}: Draw a card, then discard a card. {4}, {T}: Transform Matzalantli. Activate only if there are four or more permanent types among cards in your graveyard. (Artifact, battle, creature, enchantment, land, and planeswalker are permanent types.)

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Legendary Land

(Transforms from Matzalantli.) Fathomless descent — {T}: Add X mana of any one color, where X is the number of permanent cards in your graveyard.

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