msem-instigator

Flying, vigilance
When you unveil Graced Theurge, draw a card.

Flying

Whenever a creature you control enters for the first time each turn, create a 1/1 Scout creature token that's all colors.

Equipped creature has vigilance and can block an additional creature each combat.
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

When Grave Reaper enters, if it wasn't cast from your hand, it gets +1/+1 until end of turn.
Unearth {B} ({B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the end step or if it would leave the battlefield. Unearth only as a sorcery.)

{T}: Add {C}.
{T}, Reappropriate: Add {B} or {G}. (Exile exactly two cards from your hand and/or graveyard.)

Haste
Whenever a player loses life, that player gains control of Graygulch Revenant.

{T}: Add {C}.
{1}, {T}: Add one mana of any color.
{2}, {T}, Sacrifice Great Beyond: Draw a card.

Whenever you attack, put a hatching counter on Greatwyrm's Egg. Then you may sacrifice it. If you do, create a tapped and attacking X/X red Dragon creature token with flying and haste, where X is the number of hatching counters on Greatwyrm's Egg.

Green spells you cast with mana value 5 or greater cost {1} less to cast.
Whenever you cast a green spell with mana value 5 or greater, draw a card.

Greenheart Den enters tapped.
{T}: Add {G}.
{G}, {T}: Target creature you control gets +1/+1 until end of turn. Activate only as a sorcery and only if you control a green creature.

When Greenheart Squirrel enters, look at the top four cards of your library. You may reveal a basic land card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Whenever another Hound you control enters, put a +1/+1 counter on Greypelt Initiate.

This creature enters with a flying counter on it.
{2}{U}, Remove a counter from this creature: Search your library for a creature card with flying, reveal it, put it into your hand, then shuffle.

Flying, lifelink

As Grim Bastion enters, you may pay 2 life. If you don't, Grim Bastion enters tapped.
{T}, Sacrifice Grim Bastion: Search your library for a Swamp or Forest card, put it onto the battlefield, then shuffle.

{T}, Sacrifice Grim Courtyard: Search your library for a Swamp or Forest card and put it onto the battlefield tapped, then shuffle.

{B}, {T}, Exile two cards from your graveyard: Create a 1/1 white Spirit creature token with flying.

Equipped creature gets +1/+0 and has wither. (It deals damage to creatures in the form of -1/-1 counters.)
Equip {2}

{T}, Pay 1 life: Add {B} or {R}.
{1}, {T}, Sacrifice Grim Slums: Investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)

Enchant creature
Enchanted creature has experience. (Whenever it attacks, if it has fewer than three +1/+1 counters on it, put a +1/+1 counter on it.)

Flying, trample
When this creature transforms into Griselbrand, the Usurper, draw seven cards.

Grisly Marsh enters tapped unless another player controls a land that could produce {B} or {G}.
{T}: Add {B} or {G}.

Sacrifice another creature: Grisly Rougarou deals damage equal to the sacrificed creature's power to any target.