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.
Rarity:R
#:387
Card Type:Legendary Artifact // Legendary Land
Flavor:Centuries ago, under siege from the Mycotyrant, the Oltec sealed the Core off from the world . . . until Huatli's party arrived.
Casting Cost:
3
Artist:Piotr Dura