msem-instigator

Creatures you control have haste.
{4}{R}: Until end of turn, gain control of target creature an opponent controls without a vision counter on it. Untap that creature and put a vision counter on it. Activate only as a sorcery.

Flying
As long as you control an equipped creature, Guide of Heroes gets +1/+1 and has first strike.
As long as you control an enchanted creature, Guide of Heroes gets +1/+1 and has vigilance.

Whenever Guided Hunter attacks, upgrade it. (Give it one of the listed counters it doesn't already have.)
• +1/+1
• Deathtouch

This spell can't be countered.
Whenever one or more creatures with flying attack, upgrade Guided Sniper. (Give it one of the listed counters it doesn't already have.)
• +1/+1
• Reach
• Hexproof

Choose one —
• Target creature you control gets +1/+1 until end of turn if it's enchanted. Then it fights target creature you don't control.
• Destroy target enchantment.

Guidestone enters tapped.
{T}: Add {C}.
{2}, Sacrifice Guidestone: Draw a card.

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
Enchanted creature gets +2/+1 and has trample.

When Gulch Custodian enters, return an artifact you control to its owner's hand.

Untap target creature you control. It fights target creature you don't control.

Enchant creature
Enchanted creature has double strike.
Whenever enchanted creature deals combat damage to an opponent, exile the top card of your library. You may play that card this turn.

Creatures you control get +2/+0 until end of turn. Each creature you control with a +1/+1 counter on it gains menace until end of turn.

Flash
When Guppyfin Duelist enters, create a green Aura enchantment token named Piranha's Prowess attached to target creature. The token has enchant creature and “Enchanted creature gets +2/+2.” Untap that creature.

Haste
Gyr, Awoken World has all activated abilities of other lands you control.
As long as Gyr, Awoken World is on the battlefield or in your graveyard, it's a land in addition to its other types.

Target creature you control deals damage equal to its power to target creature you don't control. If the creature you control is legendary, excess damage is dealt to that creature's controller instead.

Reach, trample
{1}{G}: You may remove a counter from a creature you control. If you do, tap that creature and it gains indestructible until end of turn.

{7}{G}: Distribute three +1/+1 counters among up to three target creatures you control. This ability costs {2} less to activate if you control a legendary creature.

Whenever H.S.S. Demeter becomes blocked by a creature, gain control of that creature.
Whenever H.S.S. Demeter deals combat damage to a player, draw two cards.
Crew 2 (Tap any number of creatures you control with total power 2 or greater: This Vehicle becomes an artifact creature until end of turn.)

Flying
Ward—Pay 4 life.
Augmented — At the beginning of each end step, if you've spent {W}{U}{B}{R}{G} to cast spells this turn, return HO-20 Rising Sun from your graveyard to the battlefield tapped.

{2}, Sacrifice a creature or artifact: Hadak's Guardian deals 2 damage to any target.

Attacking creatures you control get +1/+0.

Whenever one or more creature cards leave your graveyard, Hadik's Cohort deals 2 damage to target opponent.

Trample
Whenever an opponent casts a noncreature spell for the first time each turn, put a +1/+1 counter on Hadik, Might of Mortals. It gains indestructible until end of turn.
Revive {3}{R}{G} ({3}{R}{G}, Exile this card from your graveyard: Create a token that's a copy of this card, except it has no mana cost. Activate this ability only any time you could cast a sorcery.)

Foresight — Whenever you draw your second card each turn, Haggler's Hound gets +1/+1 and can't be blocked by creatures with power 2 or less until end of turn.

[+1]: Haide Bankbuster deals 2 damage divided as you choose among one or two targets.
[+1]: Draw two cards unless any player has Haide Bankbuster deal 3 damage to them.
[–9]: Until end of turn, gain control of all permanents target player controls and they gain haste. Untap those permanents.

Equipped creature gets +3/+2.
Equip {4}
Hail of Blades's equip ability costs {4} less to activate if it targets an equipped creature.