Sage of Lat-Nam

Diligent Excavator

Creature — Human Artificer (1/3)

Whenever you cast a historic spell, target player mills two cards. (Artifacts, legendaries, and Sagas are historic.)

Relic Runner

Creature — Human Rogue (2/1)

Relic Runner can't be blocked if you've cast a historic spell this turn. (Artifacts, legendaries, and Sagas are historic.)

Merfolk Trickster

Creature — Merfolk Wizard (2/2)

Flash
When Merfolk Trickster enters the battlefield, tap target creature an opponent controls. It loses all abilities until end of turn.

Naban, Dean of Iteration

Legendary Creature — Human Wizard (2/1)

If a Wizard entering the battlefield under your control causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

Tetsuko Umezawa, Fugitive

Legendary Creature — Human Rogue (1/3)

Creatures you control with power or toughness 1 or less can't be blocked.

Vodalian Arcanist

Creature — Merfolk Wizard (1/3)

: Add . Spend this mana only to cast an instant or sorcery spell.

Artificer's Assistant

Creature — Bird (1/1)

Flying
Whenever you cast a historic spell, scry 1. (Artifacts, legendaries, and Sagas are historic. To scry 1, look at the top card of your library, then you may put that card on the bottom of your library.)

Sentinel of the Pearl Trident

Creature — Merfolk Soldier (3/3)

Flash
When Sentinel of the Pearl Trident enters the battlefield, you may exile target historic permanent you control. If you do, return that card to the battlefield under its owner's control at the beginning of the next end step. (Artifacts, legendaries, and Sagas are historic.)

Serra Disciple

Creature — Bird Cleric (1/1)

Flying, first strike
Whenever you cast a historic spell, Serra Disciple gets +1/+1 until end of turn. (Artifacts, legendaries, and Sagas are historic.)

Voltaic Servant

Artifact Creature — Construct (1/3)

At the beginning of your end step, untap target artifact.

Zahid, Djinn of the Lamp

Legendary Creature — Djinn (5/6)

You may pay and tap an untapped artifact you control rather than pay this spell's mana cost.
Flying

Academy Drake

Creature — Drake (2/2)

Kicker (You may pay an additional as you cast this spell.)
Flying
If Academy Drake was kicked, it enters the battlefield with two +1/+1 counters on it.

Academy Journeymage

Creature — Human Wizard (3/2)

This spell costs less to cast if you control a Wizard.
When Academy Journeymage enters the battlefield, return target creature an opponent controls to its owner's hand.

Benalish Honor Guard

Creature — Human Knight (2/2)

Benalish Honor Guard gets +1/+0 for each legendary creature you control.

Bloodstone Goblin

Creature — Goblin Warrior (2/2)

Whenever you cast a spell, if that spell was kicked, Bloodstone Goblin gets +1/+1 and gains menace until end of turn. (It can't be blocked except by two or more creatures.)

Cabal Evangel

Creature — Human Cleric (2/2)

Caligo Skin-Witch

Creature — Human Wizard (1/3)

Kicker (You may pay an additional as you cast this spell.)
When Caligo Skin-Witch enters the battlefield, if it was kicked, each opponent discards two cards.

Champion of the Flame

Creature — Human Warrior (1/1)

Trample
Champion of the Flame gets +2/+2 for each Aura and Equipment attached to it.

Cloudreader Sphinx

Creature — Sphinx (3/4)

Flying
When Cloudreader Sphinx enters the battlefield, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Cold-Water Snapper

Creature — Turtle (4/5)

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