Fellwar Stone

Artifact

: Add one mana of any color that a land an opponent controls could produce.

Field Creeper

Artifact Creature — Scarecrow (2/1)

Fire Diamond

Artifact

Fire Diamond enters the battlefield tapped.
: Add .

Fireforger's Puzzleknot

Artifact

When Fireforger's Puzzleknot enters the battlefield, it deals 1 damage to any target.
, Sacrifice Fireforger's Puzzleknot: It deals 1 damage to any target.

Fleetfeather Sandals

Artifact — Equipment

Equipped creature has flying and haste.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Fractured Powerstone

Artifact

: Add .
: Roll the planar die. Activate only as a sorcery.

Fyndhorn Bow

Artifact

, : Target creature gains first strike until end of turn.

Galvanic Key

Artifact

Flash
, : Untap target artifact.

Gavel of the Righteous

Artifact — Equipment

At the beginning of combat on your turn, put a charge counter on Gavel of the Righteous.
Equipped creature gets +1/+1 for each counter on Gavel of the Righteous.
As long as Gavel of the Righteous has four or more counters on it, equipped creature has double strike.
Equip—Pay or remove a counter from Gavel of the Righteous.

Genesis Chamber

Artifact

Whenever a nontoken creature enters the battlefield, if Genesis Chamber is untapped, that creature's controller creates a 1/1 colorless Myr artifact creature token.

Geometric Nexus

Artifact

Whenever a player casts an instant or sorcery spell, put a number of charge counters on Geometric Nexus equal to that spell's mana value.
, , Remove all charge counters from Geometric Nexus: Create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it, where X is the number of charge counters removed this way.

Gilded Pinions

Artifact — Equipment

When Gilded Pinions enters the battlefield, create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")
Equipped creature has flying.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Glamdring

Legendary Artifact — Equipment

Equipped creature has first strike and gets +1/+0 for each instant and sorcery card in your graveyard.
Whenever equipped creature deals combat damage to a player, you may cast an instant or sorcery spell from your hand with mana value less than or equal to that damage without paying its mana cost.
Equip

Glassblower's Puzzleknot

Artifact

When Glassblower's Puzzleknot enters the battlefield, scry 2, then you get . (You get two energy counters. To scry 2, look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)
, Sacrifice Glassblower's Puzzleknot: Scry 2, then you get .

Gleaming Barrier

Artifact Creature — Wall (0/4)

Defender
When Gleaming Barrier dies, create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Glint Hawk Idol

Artifact

Whenever another artifact enters the battlefield under your control, you may have Glint Hawk Idol become a 2/2 Bird artifact creature with flying until end of turn.
: Glint Hawk Idol becomes a 2/2 Bird artifact creature with flying until end of turn.

Gold Myr

Artifact Creature — Myr (1/1)

: Add .

Golden Egg

Artifact — Food

When Golden Egg enters the battlefield, draw a card.
, , Sacrifice Golden Egg: Add one mana of any color.
, , Sacrifice Golden Egg: You gain 3 life.

Goldvein Pick

Artifact — Equipment

Equipped creature gets +1/+1.
Whenever equipped creature deals combat damage to a player, create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Golem's Heart

Artifact

Whenever a player casts an artifact spell, you may gain 1 life.