The List

Mana Leak

Mana Leak {1}{U}

Instant
Counter target spell unless its controller pays {3}.
The fatal flaw in every plan is the assumption that you know more than your enemy.
Whiplash Trap

Whiplash Trap {3}{U}{U}

Instant - Trap
If an opponent had two or more creatures enter the battlefield under their control this turn, you may pay {U} rather than pay this spell's mana cost.
Return two target creatures to their owners' hands.
Gustcloak Skirmisher

Gustcloak Skirmisher {3}{W}

Creature - Bird Soldier
Flying
Whenever this creature becomes blocked, you may untap it and remove it from combat.
They're trained in the art of pressing their luck.
2/3
Kor Skyfisher

Kor Skyfisher {1}{W}

Creature - Kor Soldier
Flying
When this creature enters, return a permanent you control to its owner's hand.
"Sometimes I snare the unexpected, but I know its purpose will be revealed in time."
2/3
Loxodon Partisan

Loxodon Partisan {4}{W}

Creature - Elephant Soldier
Battle cry
"On every plane I've encountered loxodons, I've found stalwart and loyal friends."
—Elspeth
3/4
Mortal's Ardor

Mortal's Ardor {W}

Instant
Target creature gets +1/+1 and gains lifelink until end of turn.
"Such deeds should be common fare for such as us."
—Anax, king of Akros
Mother of Runes

Mother of Runes {W}

Creature - Human Cleric
{T}: Target creature you control gains protection from the color of your choice until end of turn.
She will not touch a weapon, yet she is the greatest protector her people have ever known.
1/1
Soul Parry

Soul Parry {1}{W}

Instant
Prevent all damage one or two target creatures would deal this turn.
"I was called to this world of steel, and it will be my steel that answers."
—Elspeth
Veteran Swordsmith

Veteran Swordsmith {2}{W}

Creature - Human Soldier
Other Soldier creatures you control get +1/+0.
"Truth is a straight, keen edge. There are no soft angles or rounded edges. To fight for truth, we must forge in steel."
3/2
Aetherize

Aetherize {3}{U}

Instant
Return all attacking creatures to their owner's hand.
"You can come back once you've learned some manners—and figured out how to reconstitute your physical forms."
Peel from Reality

Peel from Reality {1}{U}

Instant
Return target creature you control and target creature you don't control to their owners' hands.
"Soulless demon, you are bound to me. Now we will both dwell in oblivion."
Sealock Monster

Sealock Monster {3}{U}{U}

Creature - Octopus
This creature can't attack unless defending player controls an Island.
{5}{U}{U}: Monstrosity 3.
When this creature becomes monstrous, target land becomes an Island in addition to its other types.
5/5
Surrakar Banisher

Surrakar Banisher {4}{U}

Creature - Surrakar
When this creature enters, you may return target tapped creature to its owner's hand.
Surrakar grab things they don't want.
3/3
Whelming Wave

Whelming Wave {2}{U}{U}

Sorcery
Return all creatures to their owners' hands except for Krakens, Leviathans, Octopuses, and Serpents.
"I can see why this appeals to Thassa."
—Kiora
Explore

Explore {1}{G}

Sorcery
You may play an additional land this turn.
Draw a card.
"I will never run out of new oceans to explore or new sea-dwellers to embrace as my own."
—Kiora
Court Street Denizen

Court Street Denizen {2}{W}

Creature - Human Soldier
Whenever another white creature you control enters, tap target creature an opponent controls.
"The Boros fight for justice. The Azorius fight for law. I hold the line between, and make sure the people are given both."
2/2
Time to Feed

Time to Feed {2}{G}

Sorcery
Choose target creature an opponent controls. When that creature dies this turn, you gain 3 life. Target creature you control fights that creature.
Kiora's Follower

Kiora's Follower {G}{U}

Creature - Merfolk
{T}: Untap another target permanent.
"She may call herself Kiora but I believe she is Thassa, the embodiment of the sea and empress of the depths."
2/2
Decree of Justice

Decree of Justice {X}{X}{2}{W}{W}

Sorcery
Create X 4/4 white Angel creature tokens with flying.
Cycling {2}{W}
When you cycle this card, you may pay {X}. If you do, create X 1/1 white Soldier creature tokens.
Dictate of Heliod

Dictate of Heliod {3}{W}{W}

Enchantment
Flash
Creatures you control get +2/+2.
"In our war Heliod gave mortals some favor, yet other times he withheld aid. Are we still no more than game pieces to him?"
—Polyxene the Doubter
Beastbreaker of Bala Ged

Beastbreaker of Bala Ged {1}{G}

Creature - Human Warrior
Level up {2}{G}
LEVEL 1-3
4/4
LEVEL 4+
6/6
Trample
2/2
Grazing Gladehart

Grazing Gladehart {2}{G}

Creature - Antelope
Landfall — Whenever a land you control enters, you may gain 2 life.
"Don't be fooled. If it were as docile as it looks, it would've died off long ago."
—Yon Basrel, Oran-Rief survivalist
2/2
Groundswell

Groundswell {G}

Instant
Target creature gets +2/+2 until end of turn.
Landfall — If you had a land enter the battlefield under your control this turn, that creature gets +4/+4 until end of turn instead.
"This world will not be tamed."
Territorial Baloth

Territorial Baloth {4}{G}

Creature - Beast
Landfall — Whenever a land you control enters, this creature gets +2/+2 until end of turn.
Its territory is defined by wherever it is at the moment.
4/4
Caravan Escort

Caravan Escort {W}

Creature - Human Knight
Level up {2}
LEVEL 1-4
2/2
LEVEL 5+
5/5
First strike
1/1