Trample

Whenever Giant Adephage deals combat damage to a player, create a token that’s a copy of Giant Adephage.

Double strike

Whenever another legendary creature enters the battlefield under your control, put a +1/+1 counter on Gimli of the Glittering Caves.

Whenever Gimli deals combat damage to a player, create a Treasure token.

Vigilance, trample, haste

Whenever Gishath, Sun’s Avatar deals combat damage to a player, reveal that many cards from the top of your library. Put any number of Dinosaur creature cards from among them onto the battlefield and the rest on the bottom of your library in a random order.

Whenever Glass Asp deals combat damage to a player, that player loses 2 life at the beginning of their next draw step unless they pay {2} before that step.

Whenever Glint-Eye Nephilim deals combat damage to a player, draw that many cards.

{1}, Discard a card: Glint-Eye Nephilim gets +1/+1 until end of turn.

Flying

Glint Raker gets +X/+0, where X is the highest mana value among artifacts you control.

Whenever Glint Raker deals combat damage to a player, you may reveal that many cards from the top of your library. Put an artifact card revealed this way into your hand and the rest into your graveyard.

First strike, deathtouch

Whenever Glissa Sunslayer deals combat damage to a player, choose one —

• You draw a card and you lose 1 life.

• Destroy target enchantment.

• Remove up to three counters from target permanent.

Deathtouch

Whenever Glowing One deals combat damage to a player, they get four rad counters.

Whenever a player mills a nonland card, you gain 1 life.

Plainswalk (This creature can’t be blocked as long as defending player controls a Plains.)

Whenever Graceful Antelope deals combat damage to a player, you may have target land become a Plains until Graceful Antelope leaves the battlefield.

Flying

Whenever Grateful Apparition deals combat damage to a player or planeswalker, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Whenever Graveblade Marauder deals combat damage to a player, that player loses life equal to the number of creature cards in your graveyard.

At the beginning of your upkeep, sacrifice a permanent.

Whenever Greater Harvester deals combat damage to a player, that player sacrifices two permanents.

Skulk (This creature can’t be blocked by creatures with greater power.)

Whenever Gregor, Shrewd Magistrate deals combat damage to a player, draw cards equal to its power.

Gríma, Saruman’s Footman can’t be blocked.

Whenever Gríma deals combat damage to a player, that player exiles cards from the top of their library until they exile an instant or sorcery card. You may cast that card without paying its mana cost. Then that player puts the exiled cards that weren’t cast this way on the bottom of their library in a random order.

Trample

Whenever Grim Flayer deals combat damage to a player, surveil 3. (Look at the top three cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Delirium — Grim Flayer gets +2/+2 as long as there are four or more card types among cards in your graveyard.

Whenever Grotag Night-Runner deals combat damage to a player, exile the top card of your library. You may play that card this turn.

Flying

Whenever Guildpact Informant deals combat damage to a player or planeswalker, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Whenever Guild Thief deals combat damage to a player, put a +1/+1 counter on it.

Cunning Action — {3}{U}: Guild Thief can’t be blocked this turn.

Flying

Guul Draz Specter gets +3/+3 as long as an opponent has no cards in hand.

Whenever Guul Draz Specter deals combat damage to a player, that player discards a card.

Whenever Hapatra, Vizier of Poisons deals combat damage to a player, you may put a -1/-1 counter on target creature.

Whenever you put one or more -1/-1 counters on a creature, create a 1/1 green Snake creature token with deathtouch.