Soul's Attendant

Whenever another creature enters, you may gain 1 life.

Cathedral Sanctifier

When Cathedral Sanctifier enters, you gain 3 life.

Oteclan Levitator

Flying
Whenever Oteclan Levitator attacks, target attacking creature without flying gains flying until end of turn.

Oteclan Landmark

When Oteclan Landmark enters, scry 2.
Craft with artifact {2}{W} ({2}{W}, Exile this artifact, Exile another artifact you control or an artifact card from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)

Oteclan Landmark // Oteclan Levitator

Aviary Mechanic

When Aviary Mechanic enters, you may return another permanent you control to its owner's hand.

Squadron Hawk

Flying
When Squadron Hawk enters, you may search your library for up to three cards named Squadron Hawk, reveal them, put them into your hand, then shuffle.

Phalanx Vanguard

Vigilance
Whenever an artifact you control enters, Phalanx Vanguard gets +1/+0 until end of turn.

Backup Agent

When Backup Agent enters, put a +1/+1 counter on target creature.

Savannah Sage

When Savannah Sage enters, you gain 2 life.

Unassuming Sage

When Unassuming Sage enters, you may pay {2}. If you do, create a Sorcerer Role token attached to it. (Enchanted creature gets +1/+1 and has "Whenever this creature attacks, scry 1.")

Azorius Arrester

When Azorius Arrester enters, detain target creature an opponent controls. (Until your next turn, that creature can't attack or block and its activated abilities can't be activated.)

Spirited Companion

When Spirited Companion enters, draw a card.

Thraben Inspector

When Thraben Inspector enters, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Luminous Phantom

Flying
Whenever another creature you control leaves the battlefield, you gain 1 life.
If Luminous Phantom would be put into a graveyard from anywhere, exile it instead.

Lunarch Veteran

Whenever another creature you control enters, you gain 1 life.
Disturb {1}{W} (You may cast this card from your graveyard transformed for its disturb cost.)

Lunarch Veteran // Luminous Phantom

Ironpaw Aspirant

When Ironpaw Aspirant enters, put a +1/+1 counter on target creature.

Eagles of the North

Flying
When Eagles of the North enters, creatures you control get +1/+0 and gain first strike until end of turn.
Plainscycling {1} ({1}, Discard this card: Search your library for a Plains card, reveal it, put it into your hand, then shuffle.)

Militia Bugler

Vigilance (Attacking doesn't cause this creature to tap.)
When Militia Bugler enters, look at the top four cards of your library. You may reveal a creature card with power 2 or less from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Ballyrush Banneret

Kithkin spells and Soldier spells you cast cost {1} less to cast.

Countless Gears Renegade

Revolt — When Countless Gears Renegade enters, if a permanent you controlled left the battlefield this turn, create a 1/1 colorless Servo artifact creature token.

Novice Inspector

When Novice Inspector enters, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Whitemane Lion

Flash
When Whitemane Lion enters, return a creature you control to its owner's hand.

Veteran Swordsmith

Other Soldier creatures you control get +1/+0.

Hexgold Slith

When Hexgold Slith enters, you get {E}{E} (two energy counters).
Whenever Hexgold Slith attacks, you may pay {E}{E}. If you do, it gains first strike until end of turn.
Whenever Hexgold Slith deals combat damage to a player, put a +1/+1 counter on it.

Dawnbringer Cleric

When Dawnbringer Cleric enters, choose one —
• Cure Wounds — You gain 2 life.
• Dispel Magic — Destroy target enchantment.
• Gentle Repose — Exile target card from a graveyard.

Hinterland Sanctifier

Whenever another creature you control enters, you gain 1 life.

Marshaling Cry

Creatures you control get +1/+1 and gain vigilance until end of turn.
Cycling {2} ({2}, Discard this card: Draw a card.)
Flashback {3}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Kor Skyfisher

Flying
When Kor Skyfisher enters, return a permanent you control to its owner's hand.

Battalion Foot Soldier

When Battalion Foot Soldier enters, you may search your library for any number of cards named Battalion Foot Soldier, reveal them, put them into your hand, then shuffle.

Veteran Armorsmith

Other Soldier creatures you control get +0/+1.

Helpful Hunter

Impassioned Orator

Mandible Justiciar

Lifelink
Whenever another artifact you control enters, Mandible Justiciar gets +1/+1 until end of turn.

Phantom Nomad

Phantom Nomad enters with two +1/+1 counters on it.
If damage would be dealt to Phantom Nomad, prevent that damage. Remove a +1/+1 counter from Phantom Nomad.

Soul Warden

Whenever another creature enters, you gain 1 life.

Temple Acolyte

When Temple Acolyte enters, you gain 3 life.

Gempalm Avenger

Cycling {2}{W} ({2}{W}, Discard this card: Draw a card.)
When you cycle Gempalm Avenger, Soldier creatures get +1/+1 and gain first strike until end of turn.

Suture Priest

Whenever another creature you control enters, you may gain 1 life.
Whenever a creature an opponent controls enters, you may have that player lose 1 life.

Icatian Javelineers

Icatian Javelineers enters with a javelin counter on it.
{T}, Remove a javelin counter from Icatian Javelineers: It deals 1 damage to any target.

Steppe Lynx

Landfall — Whenever a land you control enters, Steppe Lynx gets +2/+2 until end of turn.

Lone Missionary

When Lone Missionary enters, you gain 4 life.

Marketwatch Phantom

Whenever another creature you control with power 2 or less enters, Marketwatch Phantom gains flying until end of turn.