Nahiri, the Lithomancer

+2: Create a 1/1 white Kor Soldier creature token. You may attach an Equipment you control to it.
−2: You may put an Equipment card from your hand or graveyard onto the battlefield.
−10: Create a colorless Equipment artifact token named Stoneforged Blade. It has indestructible, “Equipped creature gets +5/+5 and has double strike,” and equip .
Nahiri, the Lithomancer can be your commander.

Tireless Tracker

Landfall — Whenever a land enters the battlefield under your control, investigate. (Create a Clue token. It’s an artifact with “, Sacrifice this artifact: Draw a card.”)
Whenever you sacrifice a Clue, put a +1/+1 counter on Tireless Tracker.

Ichorclaw Myr

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
Whenever Ichorclaw Myr becomes blocked, it gets +2/+2 until end of turn.

Courser of Kruphix

Play with the top card of your library revealed.
You may play lands from the top of your library.
Landfall — Whenever a land enters the battlefield under your control, you gain 1 life.

Warrior’s Oath

Take an extra turn after this one. At the beginning of that turn’s end step, you lose the game.

Splinterfright

Trample
Splinterfright’s power and toughness are each equal to the number of creature cards in your graveyard.
At the beginning of your upkeep, mill two cards.

Duke Ulder Ravengard

At the beginning of combat on your turn, another target creature you control gains haste and myriad until end of turn. (Whenever it attacks, for each opponent other than defending player, you may create a token that’s a copy of that creature that’s tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

Duke Ulder Ravengard

At the beginning of combat on your turn, another target creature you control gains haste and myriad until end of turn. (Whenever it attacks, for each opponent other than defending player, you may create a token that’s a copy of that creature that’s tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

Bennie Bracks, Zoologist

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature’s color.)
At the beginning of each end step, if you created a token this turn, draw a card.

Spark Double

You may have Spark Double enter the battlefield as a copy of a creature or planeswalker you control, except it enters with an additional +1/+1 counter on it if it’s a creature, it enters with an additional loyalty counter on it if it’s a planeswalker, and it isn’t legendary.

Herald of War

Flying
Whenever Herald of War attacks, put a +1/+1 counter on it.
Angel spells and Human spells you cast cost less to cast for each +1/+1 counter on Herald of War.

Esper Sentinel

Whenever an opponent casts their first noncreature spell each turn, draw a card unless that player pays , where X is Esper Sentinel’s power.

Balefire Dragon

Flying
Whenever Balefire Dragon deals combat damage to a player, it deals that much damage to each creature that player controls.

Prosperous Innkeeper

When Prosperous Innkeeper enters the battlefield, create a Treasure token. (It’s an artifact with “, Sacrifice this artifact: Add one mana of any color.”)
Whenever another creature enters the battlefield under your control, you gain 1 life.

Vampire Hexmage

First strike
Sacrifice Vampire Hexmage: Remove all counters from target permanent.

Courser of Kruphix

Play with the top card of your library revealed.
You may play lands from the top of your library.
Whenever a land enters the battlefield under your control, you gain 1 life.

Open the Omenpaths

Choose one —
• Add two mana of any one color and two mana of any other color. Spend this mana only to cast creature or enchantment spells.
• Creatures you control get +1/+0 until end of turn.

Fall of the Impostor

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I, II — Put a +1/+1 counter on up to one target creature.
III — Exile a creature with the greatest power among creatures target opponent controls.

Moritte of the Frost

Changeling (This card is every creature type.)
You may have Moritte of the Frost enter the battlefield as a copy of a permanent you control, except it’s legendary and snow in addition to its other types and, if it’s a creature, it enters with two additional +1/+1 counters on it and has changeling.

Tiana, Ship’s Caretaker

Flying, first strike
Whenever an Aura or Equipment you control is put into a graveyard from the battlefield, you may return that card to its owner’s hand at the beginning of the next end step.

Malcolm, Keen-Eyed Navigator

Flying
Whenever one or more Pirates you control deal damage to your opponents, you create a Treasure token for each opponent dealt damage. (It’s an artifact with “, Sacrifice this artifact: Add one mana of any color.”)
Partner (You can have two commanders if both have partner.)

Deflecting Palm

The next time a source of your choice would deal damage to you this turn, prevent that damage. If damage is prevented this way, Deflecting Palm deals that much damage to that source’s controller.

Karametra, God of Harvests

Indestructible
As long as your devotion to green and white is less than seven, Karametra isn’t a creature.
Whenever you cast a creature spell, you may search your library for a Forest or Plains card, put it onto the battlefield tapped, then shuffle your library.