The Core
// Matzalantli, the Great Door
The Lost Caverns of Ixalan (LCI #256)
Pricespreview
CHCardhoarder
Normal
0.02 tix
CKCard Kingdom
Normal
$3.99
Foil
$5.99
CMCardmarket
Normal
€2.39
Foil
€3.23
MPMana Pool
Normal
$2.08
Foil
$3.12
TCTCGplayer
The Core
Type
Legendary Land
Rules Text
(Transforms from Matzalantli.)
Fathomless descent — 
: Add X mana of any one color, where X is the number of permanent cards in your graveyard.
// Transform
Matzalantli, the Great Door
Type
Legendary Artifact // Legendary Land
Rules Text
: Draw a card, then discard a card.
, : 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.)
Printing
The Lost Caverns of Ixalan (LCI #256)
rare
Illustrated by Piotr Dura
legendary