msem-instigator

When Sylvan Explorer enters, reveal the top card of your library. If it's a land card, put it onto the battlefield tapped.

Enchant creature
When Sylvan Majesty enters, search your library for a Forest card, put it onto the battlefield tapped, then shuffle.
Enchanted creature gets +3/+3.

Search your library for a land card, reveal it, put it into your hand, then shuffle.

Target creature gets +2/+2 until end of turn. Draw a card if that creature has a counter on it.

Reach
Whenever another creature enters, untap Sylvan Subversive.

Scry 2, then reveal the top card of your library. If it's a basic land card, put it onto the battlefield tapped. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

When Symbiotic Sprout dies, create two 1/1 green Saproling creature tokens.

Wu Xing (Add effects based on the number of colors of mana spent to cast this spell.)
1 | Put a +1/+1 counter on each creature you control.
3 | Those creatures gain vigilance and deathtouch until end of turn.

Vigilance, reach
Tahti, Forged by the World gets +1/+1 for each other creature you control.
Other creatures you control get +1/+1.

Enchant creature
Enchanted creature gets +1/+0 and has trample and reach.

Until end of turn, noncreature lands you control become 3/3 Elemental creatures with haste and trample.
Orchestrate {1}{G} (You may exile this card from your hand anytime you could cast a sorcery for its orchestrate cost. When you next resolve a spell, you may cast this from exile without paying its mana cost.)

{G}, {T}: Create a 1/1 green Elf creature token.
{3}{G}{G}, {T}: Create a 3/3 green Beast creature token.

Vigilance
When Tamaak Confidant enters, you gain 6 life if you control three or more Satrapies.

When Tamer of the Ton dies, create a 4/4 green Chimera creature token.

Target creature you control gets +2/+2 until end of turn if it's an Insect. Then it fights up to one target creature.

Flash
Reach
Experience (Whenever this creature attacks, if it has fewer than three +1/+1 counters on it, put a +1/+1 counter on it.)

When Tantalizing Glutton enters, create a green Aura Curse enchantment token named Just Out of Reach attached to target player. The token has enchant player and “At the beginning of each of enchanted player's opponents' upkeeps, if that player doesn't control a Food, they create a Food token.”

Tarmovore's power and toughness are each equal to twice the number of card types among cards in all graveyards.

Indestructible
If Tarraka-no-Oni would be put into a graveyard from anywhere, reveal Tarraka-no-Oni and shuffle it into its owner's library instead.

Whenever a creature you control becomes monstrous, draw a card.

Whenever a land you control enters, create two 1/1 colorless Construct artifact creature tokens.
{4}{G}{G}: Put a +1/+1 counter on each artifact creature you control.

{G}{G}, {T}: Create a token that's a copy of target creature you control that entered this turn, except it's an artifact in addition to its other types.

Enchantment creatures you control get +2/+2.

Trample
Death knell — Put a +1/+1 counter on Tempest Dodger. (As a creature you control dies, trigger one death knell of that creature or another permanent you control.)