| Rarity | R |
| # | 256 |
| Creature Type or Sub Type | Legendary Artifact // Legendary Land |
| Rules Text Contains |
T: Draw a card, then discard a card.
4, T: Transform Matzalantli, the Great Door. 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.) // The Core (Transforms from Matzalantli.) Fathomless descent — T: Add X mana of any one color, where X is the number of permanent cards in your graveyard. |
| Flavor | Centuries ago, under siege from the Mycotyrant, the Oltec sealed the Core off from the world . . . until Huatli's party arrived. |
| Condition | near mint |
| Game | Magic: The Gathering |
| Set | The Lost Caverns of Ixalan |