msem-instigator

Bleed {R} (You may cast this spell for its bleed cost if an opponent has lost life this turn.)
Amongst the Flames deals 2 damage to each creature.

Equipped creature gets +1/+1.
Equip {1}

When Archive Guardian enters the battlefield, return target card from your graveyard to your hand.
Recite {1}{B}{G} (You may cast this creature from your graveyard for its recite cost. If you do, exile it when it enters the battlefield or if it would leave the battlefield.)

{T}: Add {C}.
{2}, {T}, Sacrifice Arcor Diamond: Draw a card.

Exile up to three target creatures you control, then return those cards to the battlefield under your control tapped.

When Arcor-Staff Adherent enters the battlefield, you may remove all -1/-1 counters from target creature.

({T}: Add {W} or {B}.)
Whenever Arctic Mine becomes tapped, you lose 1 life unless you control two or more basic lands.

Attacking creatures you control get +1/+0 until end of turn.
Draw a card.

Create a 1/1 red and green Elemental creature token. Creatures you control get +1/+1 and gain haste until end of turn.
Orchestrate {R}{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.)

Archive 5 (As this enters the battlefield, shuffle the top five cards of your main library into a new face up library. Sacrifice this after the archived library is empty.)
You may play lands from the archived library.

[+1]: Untap target land.
[–1]: Exile the top card of your library. You may play that card until end of turn. If a land card is exiled this way, you gain 2 life.
[–7]: Untap each land you control. Lands you control become 3/3 Elemental creatures with haste until end of turn. They're still lands.

Haste
Whenever Arpechian Tiger attacks, you may sacrifice a land. If you do, Arpechian Tiger deals 3 damage to target creature or planeswalker.

Trample
When Arpechian Yatte enters the battlefield, put a +1/+1 counter on each other creature you control.
Whenever another creature enters the battlefield under your control, put a +1/+1 counter on Arpechian Yatte.

Target creature can't be blocked this turn.
Draw a card.

Double strike
Renown 2 (When this creature deals combat damage to a player, if it isn't renowned, put two +1/+1 counters on it and it becomes renowned.)

Target creature gets +1/+1 until end of turn. Untap that creature.
Fabled {2}{W} (Then if you cast this for its fabled cost, put it onto the battlefield transformed attached to that creature.)

Flash
When Artisan of Marrow enters the battlefield, exile another target creature until Artisan of Marrow leaves the battlefield.

{T}: Add {C}{C}.
{2}: Scry 1. (To scry 1, look at the top card of your library. You may put that card on the bottom of your library.)

Enchant player
Enchanted player may play an additional land on each of their turns.
Enchanted player may play lands from their graveyard.

Target creature gets -3/-0 until end of turn. That creature's controller mills six cards.

First strike (This creature deals combat damage before creatures without first strike.)
When Attended Knight enters the battlefield, create a 1/1 white Soldier creature token.

Flying, double strike
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

{T}: Add {C}.
{2}, {T}: Add three mana of any one color.

Creatures you control get +1/+0 and gain haste until end of turn.

{T}, Tap an untapped creature you control: You draw a card and you gain 1 life.