msem-instigator

Create a 3/3 red Giant creature token with haste.
Creatures you control gain double strike until end of turn.

When Thunderstep Ved enters, it deals 1 damage to any target.

Puzzlebox (Begin the game with this and another card you own from outside the game in the command zone, locked. That card is face down until you unlock this.)
{2}, Discard your hand: Unlock Traitor's Gambit. If the revealed card is red, put it into your hand. Otherwise, put it on top of your library.

Puzzlebox (Begin the game with this and another card you own from outside the game in the command zone, locked. That card is face down until you unlock this.)
{6}: Unlock Ancient Maze. If the revealed card is green, put it into your hand. Otherwise, put it on top of your library.

As an additional cost to cast this spell, remove X +1/+1 counters from among creatures you control.
Create X 2/2 green Wolf creature tokens.

{T}, Sacrifice a creature: Investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)
{T}, Sacrifice a Clue: Create a 3/3 green Elemental creature token.

You gain 5 life. Investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)
Flashback {2}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on Champion of the Fae.

Tap an untapped creature you control: Put a charge counter on Channel the Spirits.
Remove nine charge counters from Channel the Spirits and sacrifice it: Creatures you control get +3/+3 and gain trample until end of turn. Activate only as a sorcery.

Target creature you control fights another target creature. (Each deals damage equal to its power to the other.)

When Detritus Scourge enters, you mill eight cards. Put a +1/+1 counter on Detritus Scourge for each creature card milled this way.

When Disciple of the Buried Glade leaves the battlefield, create a 3/3 green Elemental creature token.

{T}: Create an X/X green Elemental creature token, where X is Evoker of the Ancient Form's power.

You may cast this spell as though it had flash if you pay an additional {1} to cast it.

Untap up to two permanents you control during each other player's untap step.

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

When Halskrow Street Scavenger enters, if a creature died under your control this turn, create a 2/2 green Wolf creature token.

You don't lose unspent mana as steps and phases end except at end of turn.
Hand of the Chroma gets +1/+1 for each color of unspent mana you have.

Reach
{1}: Untap Leapweb Lurker.

Flash
Reach
When Mina and Adurnos enter, prevent all combat damage other creatures would deal this turn.
When Mina and Adurnos dies or this spell is countered, draw two cards.

When Moss Dweller enters, put a +1/+1 counter on another target creature.

Create three 0/1 green Plant creature tokens.

Whenever you play a land, investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)
{1}{G}{U}{R}, Sacrifice three Clues: Exile cards from the top of your library until you exile three nonland cards. You may cast any number of those cards without paying their mana costs.

Trample

Whenever you tap a creature for mana, put a +1/+1 counter on that creature.
{T}: Add {G}.