msem-instigator

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.)

[+2]: Destroy up to one target noncreature permanent.
[0]: Grohl becomes a legendary green 6/6 Elk Giant creature with trample, hexproof, and haste until your next turn.
[–9]: For each permanent you control, create a token that's a copy of it.

Target creature gets +2/+2 until end of turn.
Landfall — If you had a land you control enter this turn, that creature gets +4/+4 until end of turn instead.

Target creature +3/+3 and gains trample until end of turn.
Leitmotif (If you cast this spell from your hand, exile it as it resolves. When you next cast a spell that shares a color with this card, you may cast this from exile without paying its mana cost.)

When Growth Paradigm enters, conjure a card named Data-Point into your hand. (It's a sorcery that costs {2} with “Draw a card.”)
Once each turn, when you cast a sorcery spell, you may create an X/X green Mutant creature token, where X is that spell's mana value.

Target permanent gains hexproof and indestructible until end of turn. Scry 1.

Put up to X target noncreature, nonland permanents on top of their owners' libraries in any order.
You gain 6 life.

You may put a green creature card from your hand onto the battlefield. If you do, it fights target creature you don't control.

Permanent spells you cast cost {1} less to cast.
{3}{G}: Choose a counter on target permanent you control, then put another counter of that kind on that permanent or remove that counter from it. Activate only as a sorcery.

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.

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

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.

Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle. Put a +1/+1 counter on each creature you control.

Ferocious — Whenever a creature with power 4 or greater you control enters, you gain 4 life.

As an additional cost to cast this spell, sacrifice a land.
Search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

Enchant land
Whenever enchanted land is tapped for mana, its controller adds one mana of any color.

At the beginning of your upkeep, create a 1/1 green Saproling creature token.
Whenever a creature you control dies, put a +1/+1 counter on Heart of Spores.
{X}{G}: Move X +1/+1 counters from Heart of Spores onto target creature. Activate only as a sorcery.

Target permanent you control gains hexproof until end of turn. If that permanent is a creature, it also gets +1/+1 until end of turn.

Put a +1/+1 counter on up to one target creature. Untap it. You gain 3 life.

Put a +1/+1 counter on target creature you control. Prevent all damage that would be dealt to that creature this turn.

(Transform this if it's not attached to a creature. Pay {4}{G} as a sorcery to unattach it.)
Enchant creature you control
Herdstrider's rider gets +1/+1 for each land you control and has trample.
Whenever Herdstrider's rider attacks, create an X/X green Elephant creature token with trample that's tapped and attacking, where X is that creature's power. Exile that token at the end of combat.

For each color among nontoken permanents you control, add one mana of that color.

Target player sacrifices any number of lands. That player searches their library for up to that many land cards, puts them onto the battlefield tapped, then shuffles.
Fabled {5}{G}{G} (Then if you cast this for its fabled cost, put it onto the battlefield transformed attached to that player.)

Search your library for a basic land card and put it onto the battlefield, then shuffle. Create an Idol token. (It's an artifact with “{1}, Sacrifice this artifact: Put a +1/+1 counter on target creature. Activate only as a sorcery.”)

This spell can't be countered.
Enchant land
At the beginning of combat on your turn, untap enchanted land. It becomes a 6/6 green Lizard creature with haste until end of turn. It's still a land.