Whenever an opponent casts a noncreature spell, Gleeful Arsonist deals damage equal to its power to that player.

Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

Destroy target artifact or enchantment.

Conspire (As you cast this spell, you may tap two untapped creatures you control that share a color with it. When you do, copy it and you may choose a new target for the copy.)

Flying

, Sacrifice Glen Elendra Archmage: Counter target noncreature spell.

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Flying

Whenever you cast a spell during an opponent's turn, you may return target creature you control to its owner's hand.

Flying

When Glidedive Duo enters, each opponent loses 2 life and you gain 2 life.

Sacrifice a token: Glimmer Bairn gets +2/+2 until end of turn.

Scry 2, then draw two cards. You get (two energy counters).

Flying

: Untap Glimmerbell.

Enchant tapped creature

Enchanted creature doesn't untap during its controller's untap step.

When Glimmerlight enters, create a 1/1 white Glimmer enchantment creature token.

Equipped creature gets +1/+1.

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

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

: Add .

Draw a card.

Escape—, Exile five other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

Suspend 3—

Shuffle all permanents you own into your library, then reveal that many cards from the top of your library. Put all non-Aura permanent cards revealed this way onto the battlefield, then do the same for Aura cards, then put the rest on the bottom of your library in a random order.

Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

As long as you control a Giant, you may cast Glimpse the Cosmos from your graveyard by paying rather than paying its mana cost. If you cast Glimpse the Cosmos this way and it would be put into your graveyard, exile it instead.

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 ."

Target player mills ten cards.

Target creature you control gets +0/+3 and gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

Whenever another artifact you control enters, 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.

Reach

When Glint Weaver enters, distribute three +1/+1 counters among one, two, or three target creatures, then you gain life equal to the greatest toughness among creatures you control.

Haste

Whenever you discard a card, Glint-Horn Buccaneer deals 1 damage to each opponent.

, Discard a card: Draw a card. Activate only if Glint-Horn Buccaneer is attacking.

Flying

When Glint-Nest Crane enters, look at the top four cards of your library. You may reveal an artifact card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Menace

Whenever Glint-Sleeve Siphoner enters or attacks, you get (an energy counter).

At the beginning of your upkeep, you may pay . If you do, you draw a card and you lose 1 life.

First strike

: Destroy target artifact if its mana value is equal to the amount of unspent mana you have.

At the beginning of combat on your turn, choose one —

• Incubate 2 twice. (To incubate 2, create an Incubator token with two +1/+1 counters on it and ": Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.)

• Transform all Incubator tokens you control.

• Phyrexians you control gain first strike and deathtouch until end of turn.

Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.)

Destroy target artifact. Its controller loses 1 life.

Glistener Seer enters with three oil counters on it.

, Remove an oil counter from Glistener Seer: Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

All creatures get -1/-1 until end of turn. Creatures that are green and/or white get an additional -2/-2 until end of turn.

Enchant creature

Enchanted creature has infect.

At the beginning of your upkeep, put a -1/-1 counter on enchanted creature.

When Glistening Oil is put into a graveyard from the battlefield, return Glistening Oil to its owner's hand.

When Glitch Interpreter enters, if you control no face-down permanents, return Glitch Interpreter to its owner's hand and manifest dread.

Whenever one or more colorless creatures you control deal combat damage to a player, draw a card.

Flying

When Glitterflitter enters, you get , then you may put a sticker on a nonland permanent you own.

Prevent all damage that would be dealt to Glittering Lion.

: Until end of turn, Glittering Lion loses "Prevent all damage that would be dealt to Glittering Lion." Any player may activate this ability.

: 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.

: Create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Whenever you cast a historic spell, create a Treasure token. This ability triggers only once each turn. (Artifacts, legendaries, and Sagas are historic.)

, Sacrifice a Treasure: Goad target creature. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)

As long as you've completed a dungeon, Gloom Stalker has double strike.

Flying

Threshold — As long as seven or more cards are in your graveyard, Gloomdrifter has "When Gloomdrifter enters, nonblack creatures get -2/-2 until end of turn."

Flying

Destroy target creature. If that creature was green or white, its controller discards a card.

Reach

Gloomwidow can block only creatures with flying.

Whenever you scry, choose one and Glorfindel, Dauntless Rescuer gets +1/+1 until end of turn.

• Glorfindel must be blocked this turn if able.

• Glorfindel can't be blocked by more than one creature each combat this turn.

When Glorifier of Suffering enters, you may sacrifice another creature or artifact. When you do, put a +1/+1 counter on each of up to two target creatures.

Creatures you control get +1/+1 until end of turn.

Flying, lifelink

At the beginning of each combat, if you have more life than an opponent, Glorious Enforcer gains double strike until end of turn.

Flash

Flying

When Glorious Protector enters, you may exile any number of non-Angel creatures you control until Glorious Protector leaves the battlefield.

Foretell

Flying

: Choose a color. Creatures you control gain protection from the chosen color until end of turn. Activate only if Glory is in your graveyard.

During your turn, creatures you control get +2/+0.

During turns other than yours, creatures you control get +0/+2.

You may exert Glory-Bound Initiate as it attacks. When you do, it gets +1/+3 and gains lifelink until end of turn. (An exerted creature won't untap during your next untap step.)

Whenever you cast a multicolored spell, Gloryscale Viashino gets +3/+3 until end of turn.