Whenever a player casts a green spell, you may pay . If you do, untap target permanent.

This land enters tapped.
: Add .

Flying
: Put target card from a graveyard on the bottom of its owner's library. Activate only as a sorcery.

, Pay 1 life: Add one mana of any color.

At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you.
: Add .

, : Add one mana of any color.

When this artifact enters, scry 1.
: Add one mana of any color.

Instant and enchantment spells you cast cost less to cast.

: Add .
, : Add one mana of any color.

: Flip a coin. If you win the flip, add . Activate this ability only any time you could cast an instant.

Mana Vault doesn't untap during your untap step.
At the beginning of your upkeep, you may pay . If you do, untap Mana Vault.
At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you.
: Add .

Whenever a land an opponent controls is tapped for mana, tap all lands that player controls that could produce any type of mana that land could produce.

Domain — Equipped creature gets +1/+1 for each basic land type among lands you control.
Equip

: Add .

: Add one mana of any color.

This artifact enters tapped.
This artifact has all activated abilities of all lands on the battlefield.
You may spend mana as though it were mana of any color to pay the activation costs of this artifact's abilities.

Whenever you crank Mandatory Friendship Shackles, target creature gets -1/-1 until end of turn.

When this artifact enters, search your library for five cards, exile them in a face-down pile, and shuffle that pile. Then shuffle your library.
: The next time you would draw a card this turn, instead put the top card of the exiled pile into its owner's hand.

Flash
When this artifact enters, target creature gains indestructible until end of turn.
, Sacrifice this artifact: Target player draws a card.

You can cover a face-down manifested creature with this reminder card.
A manifested creature card can be turned face up any time for its mana cost. A face-down card can also be turned face up for its morph or disguise cost.

, : Untap another target artifact.
, : Target creature can't be blocked this turn.

Defender
This creature has indestructible as long as it has defender.
: Until end of turn, this creature loses defender and gains flying.

This land enters tapped.
As this land enters, choose a color other than green.
: Add or one mana of the chosen color.