: Draw a card, then discard a card.
,
: 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.)
//
(Transforms from Matzalantli.)
Fathomless descent -
: Add X mana of any one color, where X is the number of permanent cards in your graveyard.