msem-instigator

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

Flying

Gleaming Hot Springs enters tapped unless you control a Mountain.
{T}: Add {W} or {U}.

Flying
Whenever an opponent casts a spell, copy it. You may choose new targets for the copy.

Gleaming Veldt enters tapped unless another player controls a land that could produce {G} or {W}.
{T}: Add {G} or {W}.

Flying
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Trial 3 (As you cast this spell, an opponent of your choice may pay 3 life. If they don't, they fail the trial.)
When Glimmering Prosecutor enters, if the trial was failed, create two 1/1 black Devil creature tokens.

Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever Glimmerwing Trickster deals combat damage to a player, scry 2.

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.)

Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever Glintfeather Sage or another creature with flying you control dies, you may pay {1}. If you do, draw a card.

Create a token that's a copy of target creature you control. Exile the token at the beginning of the next end step unless Glintwing Replica was cast from exile.
Prophecy {1}{U} (Once each turn, you may exile a card with prophecy as you reveal it. When you do, you may cast it for its prophecy cost as long as it's exiled.)

Tap another untapped artifact you control: Until end of turn, Glitched Carcass becomes an X/X Construct artifact creature, where X is the mana value of the tapped artifact. Activate only once each turn.

Distorted (This creature can be blocked by tapped creatures but not untapped creatures.)
As you reveal a creature card, you may exile it. If you do, you may play that card as long as it is exiled and that spell can't be countered by spells or abilities.

({T}: Add {W} or {B}.)
Gloomcover Steppe enters tapped unless you control a basic Plains or a basic Swamp.

Put target creature card from a graveyard onto the battlefield under your control. If that card was put into that graveyard this turn, it enters with an additional +1/+1 counter on it.

You get a glory counter, then gain life equal to the number of glory counters you have. (You lose glory counters before life. A player with ten or more glory counters wins the game.)
Draw a card.

({T}: Add {R} or {W}.)
Gnarled Henge enters tapped unless you control two or more basic lands.

When Goblin Arsonist dies, you may have it deal 1 damage to any target.

Prowess
{3}{R}, Sacrifice Goblin Experimenter: Return target sorcery card from your graveyard to your hand.

Goblin Exploration Team gets +1/+0 for each non-Mountain land you control.

Whenever Goblin Raidleader attacks, create a 1/1 red Goblin creature token that's tapped and attacking.
{1}{R}: Other Goblins you control get +1/+0 until end of turn.

When Goblin Rocktosser enters, you may sacrifice a land. If you do, put a +1/+1 counter on Goblin Rocktosser.

When Goblin Sniper dies, you may pay {R}. If you do, it deals 2 damage to target opponent or planeswalker.

Whenever you cast an instant or sorcery spell, target creature can't block this turn.