msem-instigator

You may cast spells as though they had flash.

Prevent all noncombat damage that would be dealt to equipped creature.
Equipped creature has hexproof as long as it's your turn.
Equip {1}

As long as another creature you control is attacking, Prolific Thief can't be blocked.
Whenever Prolific Thief deals combat damage to a player, draw a card, then discard a card.

Peasant Crusher can't be blocked by creatures with power 1 or less.

At the beginning of your upkeep, you may exile a card from your hand with a knowledge counter on it. If you do, draw a card. Then you may have Professor Adelia become a copy of any permanent card you own in exile with a knowledge counter on it, except it has this ability.

Surveil 1. You draw a card and you lose 1 life. (To surveil 1, look at the top card of your library. You may put that card 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.)

Up to one target attacking creature gets +3/+3 and gains trample until end of turn.
Harmonize. (Trigger up to one harmony of a permanent you control.)

Target spell or permanent becomes colorless.

Menace
Lonely Devil can't attack or block alone.

Flash
Defender
When Imposing Barricade enters, target creature doesn't untap during its controller's untap step for as long as you control Imposing Barricade.

Lifelink
Whenever you draw your second card each turn, put a +1/+1 counter on Ethereal Runner.

Choose two —
• You gain 3 life.
• Tap target creature.
• Put a +1/+1 counter on target creature.

MiliCore Barracks enters tapped.
{T}: Add {B} or {R}.
{B}{R}, {T}: Create a Function token with “Deathtouch.” Activate only if an opponent lost life this turn. (It's an enchantment. As you cast an instant or sorcery spell, sacrifice any number of Functions to add their effects to that spell.)

Return target nonland permanent to its owner's hand.
Agonize (You may cast this card from your graveyard by putting a -1/-1 counter on a creature you control in addition to paying its other costs. Then exile this card.)

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

Whenever you draw a card, you may have target player mill two cards.

Germinate three times. (To germinate, put a +1/+1 counter on a creature or create a 1/1 green Saproling creature token.)

Flying
Whenever you cast your first noncreature spell each turn, create a Treasure token. (It's an artifact with “{T}, Sacrifice this artifact: Add one mana of any color.”)

Encourage ({T}: Another target creature you control gets +1/+1 until end of turn. Encourage only as a sorcery.)
Whenever Eos Beseecher encourages a creature, look at the top card of your library. If it's a creature card with power 2 or less, you may reveal it and put it into your hand.

Haste
When Inferno Forerunner enters, you may have target creature gain haste until end of turn.

When Goriana Earthshaker enters, you may untap target land you control. It becomes a 3/3 Elemental creature with haste until end of turn. It's still a land.

Trample
Whenever a creature dealt damage by Sovereign of Old Lovi this turn dies, put a +1/+1 counter on Sovereign of Old Lovi.

Scrollsnatcher can't block and can't be blocked.
Whenever Scrollsnatcher deals combat damage to a player, look at the top card of each library, then put any number of those cards into their owner's graveyards.

Trample
If a creature in Imperial Guardian's pack would deal damage to a permanent or player, it deals twice that much damage instead. (Two or more creatures you control with equal power are in a pack.)

Trample
Whenever Tusked Consumer or another creature with power 4 or greater you control enters, purge. (Exile two cards that share a type from graveyards. If you do, draw a card.)
Whenever one or more cards are put into exile from anywhere, you gain 1 life.