Have

Call the Cavalry

Create two 2/2 white Knight creature tokens with vigilance.

Naturalize

Apex Hawks

Multikicker {1}{W} (You may pay an additional {1}{W} any number of times as you cast this spell.)
Flying
Apex Hawks enters with a +1/+1 counter on it for each time it was kicked.

Ainok Bond-Kin

Outlast {1}{W} ({1}{W}, {T}: Put a +1/+1 counter on this creature. Outlast only as a sorcery.)
Each creature you control with a +1/+1 counter on it has first strike.

Triumph of Gerrard

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I, II — Put a +1/+1 counter on target creature you control with the greatest power.
III — Target creature you control with the greatest power gains flying, first strike, and lifelink until end of turn.

Plains

Blanchwood Armor

Enchant creature
Enchanted creature gets +1/+1 for each Forest you control.

Daghatar the Adamant

Vigilance
Daghatar the Adamant enters with four +1/+1 counters on it.
{1}{B/G}{B/G}: Move a +1/+1 counter from target creature onto a second target creature.

Makeshift Battalion

Battalion — Whenever Makeshift Battalion and at least two other creatures attack, put a +1/+1 counter on Makeshift Battalion.

Thundering Ceratok

Trample
When Thundering Ceratok enters, other creatures you control gain trample until end of turn.

Revoke Privileges

Enchant creature
Enchanted creature can't attack, block, or crew Vehicles.

Return to Nature

Choose one —
• Destroy target artifact.
• Destroy target enchantment.
• Exile target card from a graveyard.

Forest

Spawning Grounds

Enchant land
Enchanted land has "{T}: Create a 5/5 green Beast creature token with trample."

Timberland Guide

When Timberland Guide enters, put a +1/+1 counter on target creature.

Swell of Growth

Target creature gets +2/+2 until end of turn. You may put a land card from your hand onto the battlefield.

Domesticated Hydra

{X}{G}{G}{G}: Monstrosity X. (If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.)
As long as Domesticated Hydra is monstrous, it has trample.

Vessel of Ephemera

{2}{W}, Sacrifice Vessel of Ephemera: Create two 1/1 white Spirit creature tokens with flying.

Fleetfeather Sandals

Equipped creature has flying and haste.
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Teyo's Lightshield

When Teyo's Lightshield enters, put a +1/+1 counter on target creature you control.

Veteran Warleader

Veteran Warleader's power and toughness are each equal to the number of creatures you control.
Tap another untapped Ally you control: Veteran Warleader gains your choice of first strike, vigilance, or trample until end of turn.

Might of the Masses

Target creature gets +1/+1 until end of turn for each creature you control.

Raise the Alarm

Create two 1/1 white Soldier creature tokens.

Inquisitive Puppet

When Inquisitive Puppet enters, scry 1.
Exile Inquisitive Puppet: Create a 1/1 white Human creature token.

Centaur Healer

When Centaur Healer enters, you gain 3 life.

Topan Freeblade

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

The Crowd Goes Wild

Assist (Another player can pay up to {X} of this spell's cost. You choose the value of X.)
Support X. (Put a +1/+1 counter on each of up to X target creatures.)
Each creature with a +1/+1 counter on it gains trample until end of turn.

Citadel Castellan

Vigilance (Attacking doesn't cause this creature to tap.)
Renown 2 (When this creature deals combat damage to a player, if it isn't renowned, put two +1/+1 counters on it and it becomes renowned.)

Shimmering Grotto

{T}: Add {C}.
{1}, {T}: Add one mana of any color.

Giant Growth

Target creature gets +3/+3 until end of turn.

Queen's Commission

Create two 1/1 white Vampire creature tokens with lifelink.

Verdant Haven

Enchant land
When Verdant Haven enters, you gain 2 life.
Whenever enchanted land is tapped for mana, its controller adds an additional one mana of any color.

Doomed Traveler

When Doomed Traveler dies, create a 1/1 white Spirit creature token with flying.

Reclaim

Put target card from your graveyard on top of your library.

Ninth Bridge Patrol

Whenever another creature you control leaves the battlefield, put a +1/+1 counter on Ninth Bridge Patrol.

Rising Populace

Whenever another creature or planeswalker you control dies, put a +1/+1 counter on Rising Populace.

Hunted Witness

When Hunted Witness dies, create a 1/1 white Soldier creature token with lifelink.

Warped Landscape

{T}: Add {C}.
{2}, {T}, Sacrifice Warped Landscape: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Soulmender

Knightly Valor

Enchant creature
When Knightly Valor enters, create a 2/2 white Knight creature token with vigilance. (Attacking doesn't cause it to tap.)
Enchanted creature gets +2/+2 and has vigilance.

Silverchase Fox

{1}{W}, Sacrifice Silverchase Fox: Exile target enchantment.

Tectonic Edge

{T}: Add {C}.
{1}, {T}, Sacrifice Tectonic Edge: Destroy target nonbasic land. Activate only if an opponent controls four or more lands.

Pollenbright Druid

When Pollenbright Druid enters, choose one —
• Put a +1/+1 counter on target creature.
• Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Painted Bluffs

Celestial Flare

Target player sacrifices an attacking or blocking creature of their choice.

Ritual of Restoration

Return target artifact card from your graveyard to your hand.

Oppressive Rays

Enchant creature
Enchanted creature can't attack or block unless its controller pays {3}.
Activated abilities of enchanted creature cost {3} more to activate.

Battlefield Promotion

Put a +1/+1 counter on target creature. That creature gains first strike until end of turn. You gain 2 life. (A creature with first strike deals combat damage before creatures without first strike.)

Skittering Surveyor

When Skittering Surveyor enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Call of the Conclave

Create a 3/3 green Centaur creature token.

Erase

Revoke Existence

Wild Growth

Enchant land
Whenever enchanted land is tapped for mana, its controller adds an additional {G}.

Ondu War Cleric

Cohort — {T}, Tap an untapped Ally you control: You gain 2 life.

Weapon Rack

Weapon Rack enters with three +1/+1 counters on it.
{T}: Move a +1/+1 counter from Weapon Rack onto target creature. Activate only as a sorcery.

Unknown Shores

Lightwalker

Lightwalker has flying as long as it has a +1/+1 counter on it.

Natural End

Destroy target artifact or enchantment. You gain 3 life.

Lead by Example

Support 2. (Put a +1/+1 counter on each of up to two target creatures.)

New Horizons

Enchant land
When this Aura enters, put a +1/+1 counter on target creature you control.
Enchanted land has "{T}: Add two mana of any one color."

Rust Scarab

Whenever Rust Scarab becomes blocked, you may destroy target artifact or enchantment defending player controls.

Spectral Reserves

Create two 1/1 white Spirit creature tokens with flying. You gain 2 life.

Blade Instructor

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)

Graypelt Refuge

Graypelt Refuge enters tapped.
When Graypelt Refuge enters, you gain 1 life.
{T}: Add {G} or {W}.

Mana Geode

When Mana Geode enters, scry 1.
{T}: Add one mana of any color.

Martyred Rusalka

{W}, Sacrifice a creature: Target creature can't attack this turn.

Gift of Estates

If an opponent controls more lands than you, search your library for up to three Plains cards, reveal them, put them into your hand, then shuffle.

Plummet

Sol Ring

Spore Frog

Sacrifice Spore Frog: Prevent all combat damage that would be dealt this turn.

Angelic Purge

As an additional cost to cast this spell, sacrifice a permanent.
Exile target artifact, creature, or enchantment.

Martyr for the Cause

When Martyr for the Cause dies, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Wildcall

Manifest the top card of your library, then put X +1/+1 counters on it. (To manifest a card, put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)