Lost Order of Jarkeld

As Lost Order of Jarkeld enters, choose an opponent.
Lost Order of Jarkeld's power and toughness are each equal to 1 plus the number of creatures the chosen player controls.

Voracious Hatchling

Lifelink
Voracious Hatchling enters with four -1/-1 counters on it.
Whenever you cast a white spell, remove a -1/-1 counter from Voracious Hatchling.
Whenever you cast a black spell, remove a -1/-1 counter from Voracious Hatchling.

Plains

Healer's Headdress

Equipped creature gets +0/+2 and has "{T}: Prevent the next 1 damage that would be dealt to any target this turn."
{W}{W}: Attach Healer's Headdress to target creature you control.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Skyhunter Prowler

Flying, vigilance (This creature can't be blocked except by creatures with flying or reach, and attacking doesn't cause this creature to tap.)

Aven Redeemer

Flying
{T}: Prevent the next 2 damage that would be dealt to any target this turn.

Order of the Golden Cricket

Whenever Order of the Golden Cricket attacks, you may pay {W}. If you do, it gains flying until end of turn.

Apothecary Initiate

Whenever a player casts a white spell, you may pay {1}. If you do, you gain 1 life.

Venerable Monk

When Venerable Monk enters, you gain 2 life.

Mass Calcify

Knight Errant

Loxodon Warhammer

Equipped creature gets +3/+0 and has trample and lifelink.
Equip {3}

Skyhunter Cub

As long as Skyhunter Cub is equipped, it gets +1/+1 and has flying.

Runed Stalactite

Equipped creature gets +1/+1 and is every creature type.
Equip {2}

Whipgrass Entangler

{1}{W}: Until end of turn, target creature gains "This creature can't attack or block unless its controller pays {1} for each Cleric on the battlefield."

Knight Exemplar

First strike (This creature deals combat damage before creatures without first strike.)
Other Knight creatures you control get +1/+1 and have indestructible. (Damage and effects that say "destroy" don't destroy them.)

Pacifism

Enchant creature
Enchanted creature can't attack or block.

Plover Knights

Diamond Knight

Vigilance (Attacking doesn't cause this creature to tap.)
As Diamond Knight enters, choose a color.
Whenever you cast a spell of the chosen color, put a +1/+1 counter on Diamond Knight.

Lumithread Field

Creatures you control get +0/+1.
Morph {1}{W} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Leonin Scimitar

Equipped creature gets +1/+1.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Leonin Skyhunter

Resplendent Mentor

White creatures you control have "{T}: You gain 1 life."

Kitesail

Equipped creature gets +1/+0 and has flying.
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Triclopean Sight

Flash
Enchant creature
When Triclopean Sight enters, untap enchanted creature.
Enchanted creature gets +1/+1 and has vigilance.

Landbind Ritual

You gain 2 life for each Plains you control.

World Queller

At the beginning of your upkeep, you may choose a card type. If you do, each player sacrifices a permanent of that type.

Pennon Blade

Equipped creature gets +1/+1 for each creature you control.
Equip {4} ({4}: Attach to target creature you control. Equip only as a sorcery.)

Divinity of Pride

Flying, lifelink
Divinity of Pride gets +4/+4 as long as you have 25 or more life.

Springjack Knight

Whenever Springjack Knight attacks, clash with an opponent. If you win, target creature gains double strike until end of turn. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.)

Brigid, Hero of Kinsbaile

First strike
{T}: Brigid, Hero of Kinsbaile deals 2 damage to each attacking or blocking creature target player controls.

Skyhunter Patrol

Flying, first strike (This creature can't be blocked except by creatures with flying or reach, and it deals combat damage before creatures without first strike.)