msem-instigator

Whenever a creature enters under an opponent's control, you may pay 2 life. If you do, draw a card.

{3}{G}, {T}: Create a 2/2 green Wolf Elemental creature token.

Other Dryad creatures you control get +1/+1 and have hexproof.

Equipped creature has “{2}, {T}: This creature deals 1 damage to any target.”
{4}: Untap equipped creature.
Equip {3}

You may pay {1}{G} and tap an untapped Scout you control rather than pay this spell's mana cost.
Reveal the top four cards of your library. You may put a land card from among them onto the battlefield tapped. You may put a creature card from among them into your hand. Put the rest on the top and/or bottom of your library in any order.

Recruit four times. (To recruit, create a 0/0 white Soldier Army creature token, then put a +1/+1 counter on each Army you control.)

Granite Sibyl enters with three +1/+1 counters on it.
Whenever another creature you control enters, move a +1/+1 counter from Granite Sibyl to that creature.

Defender
{2}, {T}, Sacrifice Granite Watchers: It deals 3 damage to target creature.

Flying
Whenever Granter of Weariness enters or attacks, you may tap target creature if its power is less than or equal to the number of Elementals you control.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)
When Grave Revenant enters, target opponent loses life equal to the number of creature cards in your graveyard.

As an additional cost to cast this spell, exile two cards from your graveyard with the same mana value.
Search your library for a card with the same mana value as the exiled cards, reveal it, put it into your hand, then shuffle.

When Grave Wrangler enters, you may return target creature card from your graveyard to your hand.

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

When Graygulch Drifter enters, return target creature card from your graveyard to your hand. If that card is a Spirit, you may return an additional Spirit card from your graveyard to your hand.

Enchant creature
You may cast this spell from your graveyard if it targets a legendary creature you control.
Enchanted creature gets +2/+2 and has trample.

Return up to one target creature or planeswalker card with mana value 3 or less from your graveyard to the battlefield. Creatures you control get +1/+1 until end of turn.

Flying
When Greater Swooprat enters, creatures your opponents control get -1/-1 until end of turn.

When Green Daywalker enters, you may destroy target artifact or enchantment.
Augmented — At the beginning of each end step, if you've spent {W}{U}{B}{R}{G} to cast spells this turn, put a +1/+1 counter on Green Daywalker.

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.

{T}: Add one mana of any color.
Paranoia {G} (You may cast this spell for its paranoia cost when a permanent you control leaves the battlefield.)

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

Flying, haste
Whenever Grieving Revenant attacks, it deals 1 damage to each other creature you control.

When Grim Botanist enters, create a 1/1 green Saproling creature token.
Whenever a nontoken creature you control dies, populate. (Create a token that's a copy of a creature token you control.)

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