Phantasmal Image

You may have Phantasmal Image enter as a copy of any creature on the battlefield, except it's an Illusion in addition to its other types and it has "When this creature becomes the target of a spell or ability, sacrifice it."

Riders of Gavony

Vigilance
As Riders of Gavony enters, choose a creature type.
Human creatures you control have protection from creatures of the chosen type.

Benalish Veteran

Whenever Benalish Veteran attacks, it gets +1/+1 until end of turn.

Traveler's Amulet

{1}, Sacrifice Traveler's Amulet: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Slayer of the Wicked

When Slayer of the Wicked enters, you may destroy target Vampire, Werewolf, or Zombie.

Ajani's Sunstriker

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Stormbound Geist

Flying
Stormbound Geist can block only creatures with flying.
Undying (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.)

Elgaud Inquisitor

Lifelink (Damage dealt by this creature also causes you to gain that much life.)
When Elgaud Inquisitor dies, create a 1/1 white Spirit creature token with flying.

Flight

Enchant creature
Enchanted creature has flying.

Dispel

Angelic Wall

Defender (This creature can't attack.)
Flying

Silverclaw Griffin

Aven Squire

Flying
Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

Amphin Cutthroat

Kraken Hatchling

Farbog Explorer

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Tormentor's Trident

Equipped creature gets +3/+0 and attacks each combat if able.
Equip {3}

Alabaster Mage

{1}{W}: Target creature you control gains lifelink until end of turn. (Damage dealt by the creature also causes its controller to gain that much life.)

Assault Griffin

Invisible Stalker

Hexproof (This creature can't be the target of spells or abilities your opponents control.)
Invisible Stalker can't be blocked.

Galvanic Alchemist

Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.)
As long as Galvanic Alchemist is paired with another creature, each of those creatures has "{2}{U}: Untap this creature."

Avenging Arrow

Destroy target creature that dealt damage this turn.

Aether Adept

When Aether Adept enters, return target creature to its owner's hand.

Stonehorn Dignitary

When Stonehorn Dignitary enters, target opponent skips their next combat phase.

Beguiler of Wills

{T}: Gain control of target creature with power less than or equal to the number of creatures you control.

Burden of Guilt

Enchant creature
{1}: Tap enchanted creature.

Erase

Spectral Rider

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Claustrophobia

Enchant creature
When Claustrophobia enters, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.

Serra Avenger

You can't cast Serra Avenger during your first, second, or third turns of the game.
Flying, vigilance

Rain of Blades

Rain of Blades deals 1 damage to each attacking creature.

Judge's Familiar

Flying
Sacrifice Judge's Familiar: Counter target instant or sorcery spell unless its controller pays {1}.

Counterlash

Counter target spell. You may cast a spell that shares a card type with it from your hand without paying its mana cost.

Palisade Giant

All damage that would be dealt to you and other permanents you control is dealt to Palisade Giant instead.

Nav Squad Commandos

Battalion — Whenever Nav Squad Commandos and at least two other creatures attack, Nav Squad Commandos gets +1/+1 until end of turn. Untap it.

Elgaud Shieldmate

Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.)
As long as Elgaud Shieldmate is paired with another creature, both creatures have hexproof. (They can't be the targets of spells or abilities your opponents control.)

Griffin Sentinel

Flying
Vigilance (Attacking doesn't cause this creature to tap.)

Keymaster Rogue

Keymaster Rogue can't be blocked.
When Keymaster Rogue enters, return a creature you control to its owner's hand.

Dearly Departed

Flying
As long as Dearly Departed is in your graveyard, each Human creature you control enters with an additional +1/+1 counter on it.

Plains

Wingcrafter

Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.)
As long as Wingcrafter is paired with another creature, both creatures have flying.

Shriekgeist

Flying
Whenever Shriekgeist deals combat damage to a player, that player mills two cards.