msem-instigator

Counter target creature spell unless its controller pays {3}.
Cycling {B} ({B}, Discard this card: Draw a card.)

Flying
Nonartifact permanents entering the battlefield don't cause abilities to trigger.

Embellish {6}{U} (If you cast this spell for {6}{U}, create a 1/1 blue Thopter artifact creature token with flying when it enters.)
Whenever you attack, return any number of nonland permanents with different controllers and mana value less than or equal to the number of artifacts you control to their owners' hands.

Artifact spells you cast cost {1} less to cast.

Embellish {4}{W} (If you cast this spell for {4}{W}, create a 1/1 blue Thopter artifact creature token with flying when it enters.)
Equipped creature gets +2/+2.
Whenever an artifact creature you control enters, you may attach Etherium Staff to it.
Equip {2}

When Ethersworn Elite enters, you gain 2 life and create two 1/1 blue Thopter artifact creature tokens with flying.
Cycling {2} ({2}, Discard this card: Draw a card.)

Enchant creature
You control enchanted creature.
Enchanted creature gets +1/+1 and is an artifact in addition to its other types.

Stampede — Whenever Etlan High Priest and a creature with greater power attack, Etlan High Priest gets +1/+1 until end of turn. Then you gain 1 life and scry 1.

Exile target artifact or creature you control, then return that card to the battlefield under its owner's control. Create a 1/1 white Spirit creature token with flying.
Flashback {2}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Destroy target creature with power equal to its toughness.

Discard your hand, then draw three cards. You can't cast more spells this turn.
Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Exsanguinator enters with X pain counters on it.
Whenever equipped creature attacks, each opponent loses X life and you gain X life, where X is the number of pain counters on Exsanguinator.
Equip {4}

Choose one —
• Target opponent reveals their hand. You may choose a creature, enchantment, or planeswalker card from it. That player discards that card.
• Target opponent sacrifices an enchantment.

Stampede — Whenever Exuberant Hunter and a creature with greater power attack, draw a card.

Choose one —
• Create a 2/2 green Wolf creature token. You may discard a card. If you do, draw a card.
• Destroy target artifact.
Flashback {3}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Flying, first strike
If one or more tokens would be created under your control, those tokens plus a 1/1 black and red Vampire creature token with menace are created instead.
{3}{B}{B}: Each opponent loses X life and you gain X life, where X is the number of Vampires you control.

Reach
When Falkenrath Fletcher enters, if an opponent lost life this turn, create a 1/1 black and red Vampire creature token with menace.

Flying
Falkenrath Ordainer has lifelink as long as you control a token.

When Fallspeaker Satyr enters or dies, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

Whenever Fangs of Wesgoth deals combat damage to a player, create a Weapon token. (It's an Equipment artifact with “Equipped creature gets +1/+1” and equip {2}.)
As long as you control three or more artifacts, Fangs of Wesgoth has menace.

Choose one —
• Fatefire deals X damage to target creature. It loses indestructible until end of turn.
• Fatefire deals 2 damage to each creature if X is 2. Creatures dealt damage this way lose indestructible until end of turn.

Look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard.
Tether (Then if you cast this from your hand, you may exile it tethered to a creature you control. When it dies, you may cast this from exile without paying its mana cost.)

You may shuffle your graveyard into your library. Draw X cards.
Flashback {X}{U}{U}{U}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Target opponent mills five cards. Then exile a card milled this way. You may cast that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell.
Tether (Then if you cast this from your hand, you may exile it tethered to a creature you control. When it dies, you may cast this from exile without paying its mana cost.)

When Felhide Marauder enters, if you control a creature with power greater than its base power, Felhide Marauder gains haste until end of turn.