msem-instigator

Target creature gets -1/-1 until end of turn.
Threshold — You may destroy that creature instead if seven or more cards are in your graveyard.

Choose one —
• Destroy target monocolored creature.
• Ria-Demian Charm deals 2 damage to each creature.
• Each player discards two cards and loses 2 life.

Hexproof, crew 6 (Tap any number of creatures you control with total power 6 or greater: This Vehicle becomes an artifact creature until end of turn.)
Whenever The Ark Project deals combat damage to an opponent or planeswalker, gain control of target creature until The Ark Project leaves the battlefield.
Whenever The Ark Project blocks a creature, gain control of that creature.

{T}: Add one mana of any color. If you control another nonbasic land, Abandoned Monument doesn't untap at the beginning of your next untap step.

First mate—Your starting deck contains twelve or more creature cards and they all share a creature type. (If this card outside the game is your chosen first mate, you may swap it with a card in your opening hand.)
As Adam of the Ironside enters, choose a creature type. Adam becomes that type.
Adam gets +1/+1 for each other creature you control of the chosen type.

First strike, haste
At the beginning of each end step, if a player lost life this turn, put a +1/+1 counter on Animara, Last of the Fell.

Destroy target artifact.
Reprise {R} (As you cast an instant or sorcery spell, you may exile one card with reprise from your graveyard and pay its reprise cost. If you do, add its effects to that spell.)

({T}: Add {W} or {U}.)
Bustling Harbor enters tapped.
Cycling {2} ({2}, Discard this card: Draw a card.)

{T}, Sacrifice Camahueto Calf: Return target land card from your graveyard to the battlefield.

Whenever you cast a noncreature spell, if you control exactly one creature, copy that spell. You may choose new targets for the copies. (If it's a permanent, it resolves as a token.)

Tap two untapped Elves you control: Add {G}{G}.
{6}{G}{G}: Create an 8/8 green Elemental creature token.

Whenever a player searches their library, that player can't untap more than two permanents during their next untap step.

({T}: Add {W} or {B}.)
Dreary Township enters tapped.
Cycling {2} ({2}, Discard this card: Draw a card.)

Each other nontoken Elf and/or Warrior you control enters with an additional +1/+1 counter on it.
{G}{G}, {T}, Remove two +1/+1 counters from among creatures you control: Create two 1/1 green Elf Warrior creature tokens.

First strike, haste
Whenever you cast an instant or sorcery spell, Flamedaunt Courier gets +2/+0 until end of turn.

Destroy target nonland permanent with mana value less than or equal to the number of cards in your graveyard.

Mimic {2} ({2}: This takes the shape of your choice. Mimic only as a sorcery.) [3/3]
[shape 1] Flying, double strike [3/3]
[shape 2] Hexproof
{T}: Put two +1/+1 counters on Forest Dragon Telo. [3/3]

When From Peace and Purpose enters, exile all creatures until From Peace and Purpose leaves the battlefield.
At the beginning of your upkeep, investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)

Prowess
Whenever an artifact you control enters, you may discard a card. If you do, draw a card.

{T}: Draw a card, then discard a card.
Sacrifice Ghislain, Cryptbreaker: You may cast target creature, instant or sorcery card from your graveyard this turn. If that spell would be put into your graveyard, exile it instead. Activate only during your turn.

({T}: Add {R} or {G}.)
Glittering Grove enters tapped.
Cycling {2} ({2}, Discard this card: Draw a card.)

[+2]: Up to one target creature must attack Griamoor, Deathless Warrior during its controller's next turn if able.
[0]: Until end of turn, Griamoor becomes a Human Soldier creature with power and toughness each equal to the number of loyalty counters on him and gains indestructible.
[–2]: Griamoor deals damage equal to the number of loyalty counters on him to target creature.

As Hexplate Companion enters, choose a card name.
You and Hexplate Companion each have protection from the chosen card name.

Create a token that's a copy of target creature you control, except it has base power and toughness 2/2.
Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

At the beginning of each opponent's end step, that player loses 1 life for each creature they control unless they sacrifice a creature. Then they lose 1 life for each card in their hand unless they discard a card.