Crypt of AgadeemHow it works & interactions with other cards

What It Does

Crypt of Agadeem is a nonbasic land that provides black mana. It enters the battlefield tapped, meaning you cannot use it the turn you play it. While its first mana ability is a standard tap for one black mana, its second ability is a powerful mana engine that scales with the number of black creature cards in your graveyard for a cost of two generic mana and tapping the land.

How It Resolves Step by Step

To activate the high-yield mana ability, you first need two generic mana from other sources. You then tap Crypt of Agadeem and pay that mana. Upon resolution, the game checks your graveyard specifically for cards that have both the 'Creature' type and the 'Black' color. You then add one black mana to your mana pool for every card that meets both criteria. Note that multicolored cards count as long as one of their colors is black.

Common Mistakes

A frequent error is counting non-creature black cards, like Sorceries or Enchantments, or counting non-black creatures like artifact creatures. The ability only checks the current state of your graveyard as the ability resolves. If an opponent uses an effect to exile your graveyard in response to the activation, you may end up producing zero mana despite having paid the activation cost.

When to Play It

This land is best played in the mid-to-late game once your graveyard is sufficiently populated. Because it enters tapped, playing it on turn one can slow down your early development. It is most effective in 'Dredge' or self-mill strategies where your graveyard acts as a secondary resource.

Interaction examples

Basic Mana Production

If you have Crypt of Agadeem on the battlefield and four black creature cards in your graveyard, you can tap two other lands (like Swamps) to pay the activation cost. Crypt of Agadeem will then produce four black mana, netting you a total gain of two mana.

Color Fixing Synergy

Command Tower

In a Commander game, if your Commander is black, you can tap Command Tower to provide one of the two generic mana required to activate Crypt of Agadeem's secondary ability, helping you reach the threshold needed to start 'ritualing' your graveyard.

Opponent Interaction

Exotic Orchard

If your opponent controls Crypt of Agadeem, your Exotic Orchard can tap for black mana because Crypt of Agadeem has an ability that could produce black mana. This works even if your opponent's graveyard is currently empty, as the land still has the potential to produce that color.