msem-instigator

Enchant creature
When Bloodbriar Blessing enters, draw a card.
Enchanted creature gets +2/+2 and has menace.

Bleed {U/B} (You may cast this spell for its bleed cost if an opponent has lost life this turn.)
Target player mills eight cards.

Menace
Chronicle (As this enters and after your draw step, add a lore counter. Stop after III.)
[Lore I-II] Exile the top card of your library. You may play that card this turn.
[Lore III] Remove all lore counters from
Astral Cerberus. It deals 3 damage to up to one target creature.

Search your library for a basic land card, reveal it, put it into your hand, then shuffle.
Menagerie — If there are five or more creature types among creatures you control, creatures you control get +1/+1 until end of turn.

Windworn Spires enters tapped.
{T}: Add {R}.
Desertcycling {1}{R} ({1}{R}, Discard this card: Search your library for a Desert card, reveal it, and put it into your hand, then shuffle.)

As long as your deck contains only green and colorless cards, your minimum deck size is reduced by eight.

Counter target spell. If a permanent spell is countered this way, create a token that's a copy of that card except it's a colorless creature, it's 2/2, and it's a Plant in addition to its other types.

Rouse 1. Target permanent gains first strike until end of turn if it's a creature. (Put a +1/+1 counter on a permanent you control. If it isn't a creature, tap it and it becomes a 0/0 creature in addition to its other types.)

Foretell {3}{B} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)
Each opponent discards three cards.

Concord — When Dolphin Rider enters, if there are four or more card types among permanents you control, you gain 5 life.

Landfall — Whenever a land you control enters, add {G}.
{3}{G}: Target creature you control gets +2/+2 until end of turn.

Menace
When Graygulch Outcast dies, each opponent loses 3 life.

Whenever Titanic Hardshell deals combat damage to a player, draw a card.
{2}{G}: Titanic Hardshell gains trample until end of turn.

When Diasune Irregular enters, if you control another Warrior, draw a card.

Enchant creature
When Transcendent Arts enters, draw a card.
Enchanted creature can't be blocked by creatures that don't share a creature type with it.

{T}: Add {C}.
{T}: Add one mana of any color. Activate only if two or more land cards are in your graveyard.

Untap all other Elves you control during each other player's untap step.
You may cast spells as though they had flash.

Haste
Sixpod Sprinter can't be blocked except by creatures with flying or reach.

Improve {1} ({1}: Put a +1/+1 counter on this creature. This costs {1} more to activate for each +1/+1 counter on it. Improve only as a sorcery.)
{3}{W}: Return target nonland permanent card with mana value 1 or less from your graveyard to your hand. This ability cost {1} less to activate for each counter on Stoneport Provisioner.

When Golden Grizzly enters, 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.”)

Whenever you cast a storied spell, you may pay {1}. If you do, draw a card. (Enchantments and legendary spells are storied.)
Sacrifice Right to Rule: Storied permanents you control gain indestructible until end of turn.

When Fatetwist Shaman dies, reveal the bottom card of your library. You may put it on top of your library.

Spirited (When this creature enters, you may activate one of its activated abilities without paying its cost.)
{2}{W}: Create a 1/1 white Human Samurai creature token.

Whenever Student of Winds attacks, upgrade target attacking creature. (Give it one of the listed counters it doesn't already have.)
• +1/+1
• Flying