msem-instigator

When Visiting Dignitary enters the battlefield, gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn.

Adorned — Visserine's Royal Guard has lifelink as long as it's equipped and/or enchanted.

When Vitality Maestro enters the battlefield, you gain 5 life.
Recite {G}{W} (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}, Discard two cards: Draw two cards, then Voice of Warryn deals 2 damage to each opponent.

Equipped creature gets +4/+4.
You may have equipped creature assign its combat damage as though it weren't blocked. When you do, sacrifice it at end of combat.
Equip {4}

Return target creature to its owner's hand. Scry 1.

Adorned — As long as Voyaging Devout is equipped and/or enchanted, creatures with power less than its power can't block it.

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

Walker of the Final Path gets +3/+3 and has trample as long as you control a Horror.
When Walker of the Final Path enters the battlefield, search your library for a Revelation card, put it into your graveyard, then shuffle.

Lifelink
Whenever Walking Remorse or another creature dies, Walking Remorse deals 1 damage to target player or planeswalker.

Search your library for a Forest or Academy card, put it onto the battlefield tapped, then shuffle.

Menace (This creature can't be blocked except by two or more creatures.)
{1}{R}: Wandering Goliath gets +1/+0 until end of turn.

Warded Tome doesn't untap during its controller's untap step.
{T}: Draw a card.
{5}: Untap Warded Tome.

Enchant creature
Enchanted creature has double strike and “Other creatures you control have first strike.”

Hexproof
When Wary Watchkeeper enters the battlefield, target player mills three cards.

Whenever Watchkeeper Deserter attacks, discard up to two cards, then draw that many cards. Watchkeeper Deserter gets +X/+0 until end of turn, where X is the total mana value of the discarded cards.

Remove all -1/-1 counters from target creature. That creature gets +3/+3 and gains trample until end of turn.

Watchkeeper's Retort deals 2 damage to target creature or planeswalker. Scry 1. (To scry 1, look at the top card of your library. You may put that card on the bottom of your library.)

As an additional cost to cast this spell, discard a card.
Create three 1/1 red Soldier creature tokens with haste.

At the beginning of your upkeep, each player draws a card.

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Bleed {2}{R} (You may cast this spell for its bleed cost if an opponent has lost life this turn.)
Target player loses 2 life. If this spell's bleed cost was paid, it deals 1 damage to each creature that player controls.

When Weald Sentry enters the battlefield, search your library for a basic land card, reveal it, put it into your hand, then shuffle.
When Weald Sentry dies, draw a card.

When Weald Wanderer enters the battlefield, you gain 3 life and each opponent loses 2 life.
{1}, Pay 1 life: Shuffle Weald Wanderer into its owner's library. If you do, draw a card.

Flash (You may cast this spell any time you could cast an instant.)
Defender
When Weary Steward enters the battlefield, prevent all combat damage target creature would deal this turn.