Have

Knight's Pledge

Enchant creature
Enchanted creature gets +2/+2.

Don't Have

Sisay, Weatherlight Captain

Sisay, Weatherlight Captain gets +1/+1 for each color among other legendary permanents you control.
{W}{U}{B}{R}{G}: Search your library for a legendary permanent card with mana value less than Sisay's power, put that card onto the battlefield, then shuffle.

Cold Case Cracker

Flying
When Cold Case Cracker dies, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Vaporkin

Flying
Vaporkin can block only creatures with flying.

Harvesttide Sentry

Coven — At the beginning of combat on your turn, if you control three or more creatures with different powers, Harvesttide Sentry can't be blocked by creatures with power 2 or less this turn.

Shalai's Acolyte

Kicker {1}{G} (You may pay an additional {1}{G} as you cast this spell.)
Flying
If Shalai's Acolyte was kicked, it enters with two +1/+1 counters on it.

Stormkeld Prowler

Whenever you cast a spell with mana value 5 or greater, put two +1/+1 counters on Stormkeld Prowler.

Oread of Mountain's Blaze

Orzhov Advokist

At the beginning of your upkeep, each player may put two +1/+1 counters on a creature they control. If a player does, creatures that player controls can't attack you or planeswalkers you control until your next turn.

Conclave Naturalists

When Conclave Naturalists enters, you may destroy target artifact or enchantment.

Kujar Seedsculptor

When Kujar Seedsculptor enters, put a +1/+1 counter on target creature you control.

Half-Elf Monk

Vigilance
Stunning Strike — {1}{W}, {T}: Tap target creature.

Thousand Moons Crackshot

Whenever Thousand Moons Crackshot attacks, you may pay {2}{W}. When you do, tap target creature.

Satyr Grovedancer

When Satyr Grovedancer enters, put a +1/+1 counter on target creature.

Stockpiling Celebrant

When Stockpiling Celebrant enters, you may return another target nonland permanent you control to its owner's hand. If you do, scry 2.

Sylvan Messenger

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
When Sylvan Messenger enters, reveal the top four cards of your library. Put all Elf cards revealed this way into your hand and the rest on the bottom of your library in any order.

Diminisher Witch

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.)
When Diminisher Witch enters, if it was bargained, create a Cursed Role token attached to target creature an opponent controls. (If you control another Role on it, put that one into the graveyard. Enchanted creature is 1/1.)

Tajuru Warcaller

Rally — Whenever Tajuru Warcaller or another Ally you control enters, creatures you control get +2/+2 until end of turn.

Jhessian Thief

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Whenever Jhessian Thief deals combat damage to a player, draw a card.

Squad Captain

Vigilance (Attacking doesn't cause this creature to tap.)
Squad Captain enters with a +1/+1 counter on it for each other creature you control.

Halimar Tidecaller

When Halimar Tidecaller enters, you may return target card with awaken from your graveyard to your hand.
Land creatures you control have flying.

Honored Crop-Captain

Whenever Honored Crop-Captain attacks, other attacking creatures get +1/+0 until end of turn.

Spearpoint Oread

Bestow {5}{R} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)
First strike
Enchanted creature gets +2/+2 and has first strike.

Dimir Informant

When Dimir Informant enters, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Pharika's Disciple

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)
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.)

Seekers' Squire

When Seekers' Squire enters, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)