Exile target spell, then roll a d20 and add that spell's mana value.

1–14 | You may cast the exiled card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell.

15+ | You may cast the exiled card without paying its mana cost for as long as it remains exiled.

As Game Trail enters, you may reveal a Mountain or Forest card from your hand. If you don't, Game Trail enters tapped.

: Add or .

Flash

You may cast legendary spells and artifact spells as though they had flash.

If a legendary permanent or an artifact entering or leaving the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

: Add .

, , Sacrifice Gargoyle Castle: Create a 3/4 colorless Gargoyle artifact creature token with flying.

(: Add .)

Gate of the Black Dragon enters the battlefield tapped.

, : Seek a nonland card. Activate only once.

(: Add .)

Gate to Seatower enters the battlefield tapped.

, : Seek a nonland card. Activate only once.

(: Add .)

Gate to Tumbledown enters the battlefield tapped.

, : Seek a nonland card. Activate only once.

Gates of Istfell enters tapped.

: Add .

, , Sacrifice Gates of Istfell: You gain 2 life and draw two cards.

Gateway Plaza enters tapped.

When Gateway Plaza enters, sacrifice it unless you pay .

: Add one mana of any color.

As Gauntlet of Power enters, choose a color.

Creatures of the chosen color get +1/+1.

Whenever a basic land is tapped for mana of the chosen color, its controller adds an additional one mana of that color.

As an additional cost to cast this spell, tap three untapped white creatures you control.

Exile target creature.

Flashback (You may cast this card from your graveyard for its flashback cost and any additional costs. Then exile it.)

Whenever Gemcutter Buccaneer or another Pirate you control enters, create a tapped Treasure token.

Treasures you control are Equipment in addition to their other types and have "Equipped creature gets +2/+0," equip Pirate , and equip .

: Put a charge counter on Gemstone Array.

Remove a charge counter from Gemstone Array: Add one mana of any color.

Gemstone Mine enters with three mining counters on it.

, Remove a mining counter from Gemstone Mine: Add one mana of any color. If there are no mining counters on Gemstone Mine, sacrifice it.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.)

I, II, III — Create a 3/3 black Dalek artifact creature token with menace for each lore counter on Genesis of the Daleks.

IV — Target opponent faces a villainous choice — Destroy all Dalek creatures and each of your opponents loses life equal to the total power of Daleks that died this turn, or destroy all non-Dalek creatures.

Trample

Whenever Geode Golem deals combat damage to a player, you may cast your commander from the command zone without paying its mana cost. (You still pay any additional costs.)

At the beginning of your end step, create a tapped Powerstone token. (It's an artifact with ": Add . This mana can't be spent to cast a nonartifact spell.")

: Draw a card and put a +1/+1 counter on Geology Enthusiast.

(: Add or .)

Geothermal Bog enters tapped.

Spree (Choose one or more additional costs.)

+ — Exile target nontoken creature. Return it to the battlefield under its owner's control at the beginning of the next end step.

+ — Destroy target creature if no other creature has greater power.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Ghastbark Twins can block an additional creature each combat.

Enchant creature

At the beginning of your upkeep, create a token that's a copy of enchanted creature, except it's a Spirit in addition to its other types.

If Ghastly Mimicry would be put into a graveyard from anywhere, exile it instead.

Kicker (You may pay an additional as you cast this spell.)

When Ghitu Amplifier enters, if it was kicked, return target creature an opponent controls to its owner's hand.

Whenever you cast an instant or sorcery spell, Ghitu Amplifier gets +2/+0 until end of turn.

Ghitu Encampment enters tapped.

: Add .

: Ghitu Encampment becomes a 2/1 red Warrior creature with first strike until end of turn. It's still a land. (It deals combat damage before creatures without first strike.)

: Add .

: Return Ghost Town to its owner's hand. Activate only if it's not your turn.

Enchant creature

Enchanted creature gets -1/-1 and is a black Zombie in addition to its other colors and types.

Flying, vigilance

Each other Angel you control enters with an additional +1/+1 counter on it for each Angel you already control.

: Add . Spend this mana only to cast an Angel spell.

Kicker (You may pay an additional as you cast this spell.)

Untap target creature. It gets +2/+2 until end of turn. If this spell was kicked, that creature gets +4/+4 until end of turn instead.

Whenever Gila Courser attacks while saddled, exile the top card of your library. Until the end of your next turn, you may play that card.

Saddle 1 (Tap any number of other creatures you control with total power 1 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.)

Exile target creature. Create a Gold token. (It's an artifact with "Sacrifice this artifact: Add one mana of any color.")

: Add three mana of any one color.

As Gilt-Leaf Palace enters, you may reveal an Elf card from your hand. If you don't, Gilt-Leaf Palace enters tapped.

: Add or .

Target opponent reveals their hand. You choose a nonland card from it. That player discards that card.

Create a tapped Powerstone token. (It's an artifact with ": Add . This mana can't be spent to cast a nonartifact spell.")

Glacial Fortress enters tapped unless you control a Plains or an Island.

: Add or .

Change the text of target spell or permanent by replacing all instances of one color word with another.

Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with "Sacrifice this creature: Add ."

Whenever another colorless creature you control enters, Glaring Fleshraker deals 1 damage to each opponent.

Glasspool Shore enters tapped.

: Add .

When Glimmerpost enters, you gain 1 life for each Locus on the battlefield.

: Add .

Exile the top three cards of your library. You may play those cards this turn. At the beginning of the next end step, if any of those cards remain exiled, put them into your graveyard, then create a 0/1 colorless Eldrazi Spawn creature token for each card put into your graveyard this way. Those tokens have "Sacrifice this creature: Add ."

Glistening Sphere enters tapped.

When Glistening Sphere enters, proliferate.

: Add one mana of any color.

Corrupted — : Add three mana of any one color. Activate only if an opponent has three or more poison counters.

: Add . Put a stash counter on Glittering Stockpile.

, Sacrifice Glittering Stockpile: Add X mana of any one color, where X is the number of stash counters on Glittering Stockpile.

: Add .

: Add . Activate only if you control an Island or a Swamp.

Kicker (You may pay an additional as you cast this spell.)

If Gnarlid Colony was kicked, it enters with two +1/+1 counters on it.

Each creature you control with a +1/+1 counter on it has trample.

, Pay 1 life: Add . Spend this mana only to cast an Elf creature spell.

: Target attacking Elf you control gains deathtouch until end of turn. (Any amount of damage it deals to a creature is enough to destroy it.)

Whenever you place a sticker, create a Treasure token. If it's an art sticker, instead create two Treasure tokens. (They're artifacts with ", Sacrifice this artifact: Add one mana of any color.")

: Add .

, : Target Goblin creature gets +2/+0 until end of turn.

, Sacrifice a Forest: Add three mana in any combination of and/or .

Kicker (You may pay an additional as you cast this spell.)

Haste

When Goblin Ruinblaster enters, if it was kicked, destroy target nonbasic land.

When Godo, Bandit Warlord enters, you may search your library for an Equipment card, put it onto the battlefield, then shuffle.

Whenever Godo attacks for the first time each turn, untap it and all Samurai you control. After this phase, there is an additional combat phase.

: Add .

Legacy — , Mark one of CARDNAME's unmarked nodes: Add one mana of any color.

BOX, BOX, BOX, BOX, BOX

When Gold Pan enters, create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Equipped creature gets +1/+1.

Equip (: Attach to target creature you control. Equip only as a sorcery.)