msem-instigator

Reach
When Automated Overwatch enters, create a Function token with “If this spell would create one or more tokens, it creates twice that many of those tokens instead.” (It's an enchantment. As you cast an instant or sorcery spell, sacrifice any number of Functions to add their effects to that spell.)

Reach, trample
If a +1/+1 counter would be put on another creature you control, instead put a +1/+1 counter on that creature and on Avatar of the Natural.

When Babyscale Bruiser enters, you may reveal a creature card from your hand. If you do, Babyscale Bruiser deals damage to target creature an opponent controls equal to the revealed card's power. That creature deals damage equal to its power to Babyscale Bruiser.

Deathtouch
Whenever a creature dealt damage by Barbed Beast this turn dies, transform Barbed Beast.

Deathtouch
{T}, Sacrifice another creature: Add two mana of any one color.

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

Reach
When Chaparral Hunter enters, if a permanent you controlled died this turn, draw a card and you gain 3 life.

Primal {G} (During your turn, you may cast this spell for {G} instead of playing a land.)
When Charging Nymph enters, it gets +2/+0 and gains haste until end of turn.

Vigilance
Whenever Cohorts of the Grove deals combat damage to a player, if you control a creature with power 4 or greater, draw a card.

When Convocation Elder enters, create two 1/1 green Elf creature tokens.
{1}{G}, Discard Convocation Elder: Create a 1/1 green Elf creature token. Draw a card. Activate only as a sorcery.

Spells your opponents cast that target Danithra Muckbruiser cost {2} more to cast.
Danithra Muckbruiser gets +X/+X, where X is the number of cards in your graveyard minus seven. (If there are fewer than seven, it gets +0/+0.)

When Derrivan Brawnmage enters, target creature gets +3/+3 and gains trample until end of turn.

Other Warriors you control get +1/+1.
Whenever one or more Warriors you control deal combat damage to a player, untap all lands you control.

Spirited (When this creature enters, you may activate one of its activated abilities without paying its cost.)
{3}{G}: Mill three cards. Target creature gets +X/+X and gains trample until end of turn, where X is the number of land cards in your graveyard.

Landfall — Whenever a land you control enters, target creature you control gains vigilance until end of turn.

When Endrison Familiar enters, reveal the top four cards of your library. Put all land cards revealed this way into your hand and the rest into your graveyard.

When Envoy of Growth enters, search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Vigilance, ward {1}
{T}: Add one mana of any color. If that mana is spent on a creature spell, it enters with an additional +1/+1 counter on it.

Renown 1 (When this creature deals combat damage to a player, if it isn't renowned, put a +1/+1 counter on it and it becomes renowned.)
When Escort Recruiter becomes renowned, look at the top three cards of your library. You may reveal a creature card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Reach
Attain {4}{G} ({4}{G}: Transform this. Spend at least three colors of mana to activate this, and only as a sorcery.)

{1}{G}: Return another target permanent you control to its owner's hand.
{X}{G}: You may put a creature card with mana value X or less from your hand onto the battlefield. It gains trample and haste until end of turn.

Vigilance
{G}, {T}: Exile up to three target cards from graveyards. If two or more of those cards share a card type, create a 1/1 colorless Servo artifact creature token.

Stampede — Whenever Exuberant Hunter and a creature with greater power attack, draw a card.

When Fatetwist Shaman dies, reveal the bottom card of your library. You may put it on top of your library.

Hexproof