msem-instigator

Deathtouch
Whenever Ghul of Forgotten Pasts dies, you may exile it. If you do, return target creature card from a graveyard to the battlefield under your control. You gain life equal to that card's mana value.

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

Gifted Arcanomancer gets +1/+1 as long as you control a Mountain.
{3}{R}: Exile the top card of your library. Until end of turn, you may play that card.

Whenever Gifted Warmage attacks, upgrade it. (Give it one of the listed counters it doesn't already have.)
• +1/+1
• Flying

Gild-Cloak Strider can't be blocked by creatures with greater power.
{1}{W/U}: Return Gild-Cloak Strider to its owner's hand.

Flying
Whenever you cast a spell, Gilded Hawk gets +1/+1 until end of turn for each of that spell's colors.

When Gilded Merrow enters, if an opponent controls more lands than you, create a Treasure token. (It's an artifact with “{T}, Sacrifice this permanent: Add one mana of any color.”)

When Gitaxian Reprocessor enters, if you cast it, choose one —
• Create a token that's a copy of another target creature, except it's an artifact and isn't a creature.
• Create a token that's a copy of target noncreature artifact, except it's a 2/2 creature in addition to its other types.

At the beginning of combat on your turn, create a 1/1 green Elf creature token. That token gains haste until end of turn and attacks this combat if able.
At the beginning of your postcombat main phases, if three or more creatures you control dealt combat damage to a player or planeswalker this turn, add three mana of any one color.

Flying, prowess
{T}: Until end of turn, target land is every basic land type in addition to its other types.

{2}{W}, Sacrifice Gleamhorn Elk: Destroy target artifact or enchantment.

Flying

Whenever you draw your second card each turn, other creatures you control get +1/+1 and gain indestructible until end of turn.

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

When Gleeful Deviser enters, create a 1/1 colorless Construct artifact creature token.

Flying (This creature can't be blocked except by creatures with flying or reach.)
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Resolute — At the beginning of combat on your turn, if Glisterhorn's power is greater than its base power, tap target creature an opponent controls.

Gloam Gullet gets +1/+1 and has menace as long as you own a land card in exile or in your graveyard.

Gloaming Smokeweaver has deathtouch as long as there is a creature card in your graveyard.

Flying
Whenever you cast a noncreature spell, create a 1/1 blue Faerie Rogue creature token with flying.
Whenever one or more creature tokens you control deal combat damage to a player, you may pay {G/U}. If you do, draw a card.

When Glowskate Channeler enters, create a green Aura enchantment token named Manta's Wings attached to target creature. The token has enchant creature and “Enchanted creature gets +2/+2.”

Whenever you cycle a card, reveal the top two cards of your library. You may put a permanent card from among them into your hand. Put the rest on top of your library in any order or into your graveyard.
Cycling {2} ({2}, Discard this card: Draw a card.)

{T}, Sacrifice a land: Draw a card.
When Glutton of Zhava dies, return all land cards from your graveyard to the battlefield tapped.
Foreshadow {4}{G}{G} (You may cast this spell for its foreshadow cost. If you do, also trigger its “dies” abilities when it enters.)

When Glymna Blackrune enters, exile target player's graveyard.
During each of your turns, you may cast a creature card exiled with Glymna Blackrune.