msem-instigator

{T}: Target player mills a card.
{4}, {T}, Exile Dusty Record: Target player shuffles their graveyard into their library.

Flying
Wither (This deals damage to creatures in the form of -1/-1 counters.)

Vigilance
When Kahroba Champion enters, creatures you control get +1/+1 until end of turn.

You can't cast this spell as long as your life total is greater than half your starting life total.
Lifelink
{1}{B}{G}, Discard Death's Widow: Destroy target nonland permanent. You lose life equal to its mana value.

Whenever equipped creature attacks or blocks, it gets +3/+3 and gains hexproof until end of turn.
Equip {1}

Primal {1}{B}{B} (During your turn, you may cast this spell for {1}{B}{B} instead of playing a land.)
Flying
Whenever a creature deals damage to Divine Butcher, destroy that creature. You gain life equal to that creature's toughness.

Hexproof, indestructible
You don't lose the game for having 0 or less life.
For each 1 life you would lose while you have 0 or less life, instead put a -1/-1 counter on a creature you control with toughness 1 or greater.

Menace
Crew 2 (Tap any number of creatures you control with total power 2 or greater: This Vehicle becomes an artifact creature until end of turn.)

When Imperial Diplomats enters, if it's not a token, create a token that's a copy of it, except it has no mana cost.
{T}, Tap an untapped creature you control: Draw a card, then discard a card.

Transcend (Activate as a sorcery to gain the next type and a +1/+1 counter.)
Flying
{1}{U}: Demigod — Whenever a creature you control deals combat damage to a player or planeswalker this turn, draw a card.
{3}{U}{U}: God — Create an X/X blue Spirit creature token, where X is the number of cards in your hand. Put a flying counter on it.

Lifelink
Menagerie — When Leafdown Glimmerfox enters, if there are five or more creature types among creatures you control, exile another target nonland permanent until its controller's next end step.

Flying
Whenever Wind Savant attacks, harmonize. (Trigger up to one harmony of a permanent you control.)
Harmony — Wind Savant gets +1/+1 until end of turn.

Return up to two target creatures to their owner's hands.
Cycling {2} ({2}, Discard this card: Draw a card.)

Hexproof
Deploy 4 (As this enters, you may tap any number of other creatures you control with total power 4 or more.)
When Hamlet Witch enters deployed, return target card from your graveyard to your hand.

Whenever Heroic Exemplar attacks, if its power is greater than its base power, other creatures you control get +1/+1 until end of turn.

When Dedicated Waypoint enters, create a 1/1 white Scout creature token.
{T}: Add {R}, {W}, or {B}.

({T}: Add {R} or {G}.)
Whenever Rampant Summit becomes tapped, you lose 1 life unless you control two or more basic lands.

You may look at the top card of your library any time.
You may play the top card of your library if it's a land card or a creature card with power 2 or less.

Choose two —
• Until end of turn if an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.
• Create three 1/1 green Snake creature tokens.
• Create a 2/2 blue Bird creature token with flying.
• Create a 3/3 red Manticore creature token with haste.

Harness (You may tap a creature you control as you cast this spell. If you do, reduce this spell's mana cost by that creature's power.)
Overheat deals X damage to any target.

Put target spell or nonland permanent on top of its owner's library.
Lifecycle {3} ({3}, Discard this card: Create two tapped 1/1 colorless Elemental creature tokens.)

Rosegill Rover can't be blocked.
Whenever Rosegill Rover attacks, you may discard a card. If you do, draw a card.

When Vicious Shamshir enters, you may attach it to target creature you control. If you do, target creature can't block this turn.
Equipped creature gets +2/+0.
Equip {3}

Renown 1 (When this creature deals combat damage to a player, if it isn't renowned, put a +1/+1 counter on it and it becomes renowned.)
When Escort Recruiter becomes renowned, look at the top three cards of your library. You may reveal a creature card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Heroic — Whenever you cast a spell that targets Mira and Kalisti of Akros, copy that spell. You may choose new targets for the copy. (The copy isn't cast. A copy of an Aura spell becomes a token.)