msem-instigator

Lifelink
When Kragma Eviscerator enters, it deals 2 damage to target creature or planeswalker you don't control. Then destroy that creature or planeswalker if you control a creature with power greater than its base power.

Whenever Beragnian Brawlmaster or another Warrior you control enters, that Warrior fights target creature an opponent controls.
{R}{W}: Target Warrior creature gets +1/+1 until end of turn.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)
Shrouded Cackler can't block.

Enchant creature
Enchanted creature is a blue Frog with base power and toughness 1/1 and loses all other card types, creature types and abilities.

At the beginning of your upkeep, draw a card and reveal it. You lose life equal to that card's mana value unless you control an Eve planeswalker.

Untap target land. Scry 1. (To scry 1, look at the top card of your library. You may put that card on the bottom of your library.)
Fabled {3}{G}{G} (Then if you cast this for its fabled cost, put it onto the battlefield transformed attached to that land.)

Trample
Whenever Heir to the Old Bonds becomes the target of a spell or ability you control for the first time each turn, put a +1/+1 counter on it.

Enchant nonland permanent
Enchanted permanent can't attack and its activated abilities can't be activated.

Whenever you cast an instant or sorcery spell, put a loyalty counter on Xenocrata and tap up to one target permanent.
[0]: Each opponent can't untap more than three permanents during their next untap step.
[–3]: Xenocrata deals 6 damage divided as you choose among any number of target creatures and/or planeswalkers.
[–9]: Cast any number of instant and/or sorcery cards you own in exile and from your graveyard without paying their mana costs.

Wu Xing (Add effects based on the number of colors of mana spent to cast this spell.)
1 | Target creature's owner puts it on the top or bottom of their library.
3 | Return a creature card from your graveyard to your hand.

Discard your hand. Draw cards equal to the number of creatures that died this turn.

As Harlowe, Thespian Extraordinaire enters, choose a color and creature type.
Harlowe, Thespian Extraordinaire is the chosen color.
Harlowe, Thespian Extraordinaire is the chosen type in addition to its other types.

Up to one target creature gains winnow until end of turn if you've cast another spell this turn. (Damage dealt to it also causes its controller to lose that much life.)
Flare Extensions deals 3 damage to any target.

Abandoned Shores enters tapped if you control another nonbasic land.
{T}: Add {G} or {U}.

Menace
When this creature enters or dies, each opponent creates a 1/2 green Scout creature token.
{B}{G}, Discard this card: Distribute two -1/-1 counters among one or two target creatures. Activate only as a sorcery.

Pristine Delta enters tapped.
{T}: Add {W} or {U}.
{2}{W}{U}, {T}, Sacrifice Pristine Delta: Draw a card.

When Earthcraft Meditation enters, put three +1/+1 counters on each land you control.
At the beginning of combat on each player's turn, you may have any number of lands you control become 0/0 creatures with haste in addition to their other types until end of turn.

Target player sacrifices an enchantment.
Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, return up to one enchantment card from your graveyard to your hand.

Feed to the Pigs deals X damage to any target. You gain X life.

Elf creatures you control get +2/+2 and gain trample until end of turn.
Elfcycling {2}{G} ({2}{G}, Discard this card: Search your library for an Elf card, reveal it, and put it into your hand, then shuffle.)

Equipped creature gets +1/+1.
Whenever equipped creature becomes the target of a spell, you gain 3 life.
Equip {4}

Menace
Stampede — Whenever Maelstrom Slicer and a creature with greater power attack, exile the top three cards of your library. You may play those cards until end of turn.

{T}: Add one mana of any color.
When you tap Derelict Town for mana, return it to its owner's hand.

Whenever Cruising Schooner attacks, it gets +1/+1 until end of turn.
Crew 1 (Tap any number of creatures you control with total power 1 or greater: This Vehicle becomes an artifact creature until end of turn.)

Convoke (Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Protection from noncreatures
When The Magistrate enters, judge each creature that convoked it. (Honor it by putting a +1/+1 counter on it or condemn it by sacrificing it to draw a card.)