msem-instigator

Create a number of 3/3 green Elemental creature tokens equal to the number of differently named lands you control.
Fuse (You may cast one or both halves of this card from your hand.)

For each nontoken enchantment you control, conjure a duplicate of it into your hand. Until the end of your next turn, you have no maximum hand size.
Exile Root Duplication.

(Activate each submodule once as a sorcery. When this enters, activate one submodule for free.)
{G}{G}{G}: Seed
Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.
{G}{G}{G}: Soil
Destroy target noncreature permanent.
{G}{G}{G}: Stem
Root Module gains “You may play an additional land on each of your turns.” and “Lands you control are every basic land type in addition to their other types.”

Create a 1/1 green Saproling creature token for each nonland permanent card in your graveyard.

Rouse 4. (Distribute four +1/+1 counters among permanents you control. If they aren't creatures, tap them and they become 0/0 creatures in addition to their other types.)

This spell has flash as long as you control a creature with power 4 or greater.
Target creature you control deals damage equal to its power to target creature you don't control.

Whenever a creature you control enters, you may have it get +1/+1 until end of turn. If you do, it fights target creature. (Each deals damage equal to its power to the other.)

Target creature you control gets +1/+1 until end of turn. It deals damage equal to its power to target creature you don't control.
Madness {3}{G} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

The first creature spell you cast each turn costs {2} less to cast.
At the beginning of your upkeep, return a creature you control to its owner's hand. If you do, you draw cards and gain life equal to its power.

When Sabne's Autumn enters, search your library for a Forest card, reveal it, put it into your hand, then shuffle. You gain 3 life.
{1}{G}{G}: Transform Sabne's Autumn. Activate only if your fealty to Forests is five or greater.

Target creature gains indestructible until end of turn.
Fuse (You may cast one or both halves of this card from your hand.)

Return target creature or land card from your graveyard to your hand. You may shuffle up to three cards from your graveyard into your library.

Choose one —
• Destroy target artifact.
• Destroy target enchantment.
• Destroy target creature with flying.

Choose two —
• Target player creates a 3/3 green Wurm creature token.
• Target player puts three +1/+1 counters on a creature they control.
• Return target permanent card from your graveyard to your hand.
• Destroy target creature with flying.

When Sandwurm's Might enters, you may have target creature you control fight target creature you don't control.
Each creature you control enters with an additional +1/+1 counter on it.

Create X 1/1 green Saproling creature tokens, then populate. (Create a token that's a copy of a creature token you control.)

Target creature you control fights target creature you don't control. (Then exile this card. You may cast the creature later from exile.)

Look at the top six cards of your library. Put up to two creature cards with total mana value 4 or less from among them onto the battlefield and the rest on the bottom of your library in any order.
Ferocious — If you control a creature with power 4 or greater, put a +1/+1 counter on each creature you control.

Golden age (If you cast an instant or sorcery spell, activated a nonmana ability, and attacked this turn, enter a renaissance for this game.)
Search your library for up to three creature cards with different mana values 4 or less, reveal them, put them into your hand, then shuffle. If you're in a renaissance, you may put one of those cards onto the battlefield instead of into your hand.

Target creature gets +3/+3 and gains trample until end of turn.

When Savagery Evergrowing enters, create two 3/2 green Horror creature tokens.
Whenever a Horror you control dies, put a +1/+1 counter on each Horror you control.

Glitch {2} (Remove one [restriction] for each time you pay the glitch cost.)
Target creature gets +3/+3 until end of turn [if it has trample]. Then put a trample counter on that creature.

Enchant creature
Enchanted creature gets +4/+4 and has trample.
When enchanted creature dies, create a 4/4 green Beast creature token with trample.

Enchant player
When Scaleblight's Quarry enters, you may have target creature you control deal damage equal to its power to target creature enchanted player controls.
Whenever enchanted player becomes the target of a spell you control, you gain 1 life.

Remove a -1/-1 counter from target creature. That creature gets +2/+2 until end of turn.