
Knight of the White Orchid | Creature | Human Knight | First strike
When Knight of the White Orchid enters, if an opponent controls more lands than you, you may search your library for a Plains card, put it onto the battlefield, then shuffle. | Mark Zug

Linvala, the Preserver | Legendary Creature | Angel | Flying
When Linvala, the Preserver enters, if an opponent has more life than you, you gain 5 life.
When Linvala enters, if an opponent controls more creatures than you, create a 3/3 white Angel creature token with flying. | Magali Villeneuve

Spirit of the Labyrinth | Enchantment Creature | Spirit | Each player can't draw more than one card each turn. | Jason Chan

Aetherling | Creature | Shapeshifter | {U}: Exile Aetherling. Return it to the battlefield under its owner's control at the beginning of the next end step.
{U}: Aetherling can't be blocked this turn.
{1}: Aetherling gets +1/-1 until end of turn.
{1}: Aetherling gets -1/+1 until end of turn. | Tyler Jacobson

Chasm Skulker | Creature | Squid Horror | Whenever you draw a card, put a +1/+1 counter on Chasm Skulker.
When Chasm Skulker dies, create X 1/1 blue Squid creature tokens with islandwalk, where X is the number of +1/+1 counters on Chasm Skulker. (They can't be blocked as long as defending player controls an Island.) | Jack Wang

Master of Waves | Creature | Merfolk Wizard | Protection from red
Elemental creatures you control get +1/+1.
When Master of Waves enters, create a number of 1/0 blue Elemental creature tokens equal to your devotion to blue. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.) | Karl Kopinski

Niblis of Frost | Creature | Spirit | Flying
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Whenever you cast an instant or sorcery spell, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step. | Josu Hernaiz

Stormtide Leviathan | Creature | Leviathan | Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
All lands are Islands in addition to their other types.
Creatures without flying or islandwalk can't attack. | Karl Kopinski

Tidebinder Mage | Creature | Merfolk Wizard | When Tidebinder Mage enters, tap target red or green creature an opponent controls. That creature doesn't untap during its controller's untap step for as long as you control Tidebinder Mage. | John Severin Brassell

Lifebane Zombie | Creature | Zombie Warrior | Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)
When Lifebane Zombie enters, target opponent reveals their hand. You choose a green or white creature card from it and exile that card. | Min Yum

Sidisi, Undead Vizier | Legendary Creature | Zombie Snake | Deathtouch
Exploit (When this creature enters, you may sacrifice a creature.)
When Sidisi, Undead Vizier exploits a creature, you may search your library for a card, put it into your hand, then shuffle. | Min Yum

Soulflayer | Creature | Demon | Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)
If a creature card with flying was exiled with Soulflayer's delve ability, Soulflayer has flying. The same is true for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, reach, trample, and vigilance. | Xavier Ribeiro

Tasigur, the Golden Fang | Legendary Creature | Human Shaman | Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)
{2}{G/U}{G/U}: Mill two cards, then return a nonland card of an opponent's choice from your graveyard to your hand. | Chris Rahn

Xathrid Necromancer | Creature | Human Wizard | Whenever Xathrid Necromancer or another Human creature you control dies, create a tapped 2/2 black Zombie creature token. | Maciej Kuciara

Goblin Rabblemaster | Creature | Goblin Warrior | Other Goblin creatures you control attack each combat if able.
At the beginning of combat on your turn, create a 1/1 red Goblin creature token with haste.
Whenever Goblin Rabblemaster attacks, it gets +1/+0 until end of turn for each other attacking Goblin. | Svetlin Velinov

Legion Loyalist | Creature | Goblin Soldier | Haste
Battalion — Whenever Legion Loyalist and at least two other creatures attack, creatures you control gain first strike and trample until end of turn and can't be blocked by creature tokens this turn. | Eric Deschamps

Pia and Kiran Nalaar | Legendary Creature | Human Artificer | When Pia and Kiran Nalaar enters, create two 1/1 colorless Thopter artifact creature tokens with flying.
{2}{R}, Sacrifice an artifact: Pia and Kiran Nalaar deals 2 damage to any target. | Eric Deschamps

Scourge of Valkas | Creature | Dragon | Flying
Whenever Scourge of Valkas or another Dragon you control enters, it deals X damage to any target, where X is the number of Dragons you control.
{R}: Scourge of Valkas gets +1/+0 until end of turn. | Lucas Graciano

Zurgo Bellstriker | Legendary Creature | Orc Warrior | Zurgo Bellstriker can't block creatures with power 2 or greater.
Dash {1}{R} (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.) | Jason Rainville

Hornet Nest | Creature | Insect | Defender (This creature can't attack.)
Whenever Hornet Nest is dealt damage, create that many 1/1 green Insect creature tokens with flying and deathtouch. (Any amount of damage a creature with deathtouch deals to a creature is enough to destroy it.) | Adam Paquette

Mistcutter Hydra | Creature | Hydra | This spell can't be countered.
Haste, protection from blue
Mistcutter Hydra enters with X +1/+1 counters on it. | Ryan Pancoast

Polukranos, World Eater | Legendary Creature | Hydra | {X}{X}{G}: Monstrosity X. (If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.)
When Polukranos, World Eater becomes monstrous, it deals X damage divided as you choose among any number of target creatures your opponents control. Each of those creatures deals damage equal to its power to Polukranos. | Johann Bodin

Skylasher | Creature | Insect | Flash
This spell can't be countered.
Reach, protection from blue | Dan Murayama Scott

Sylvan Caryatid | Creature | Plant | Defender, hexproof
{T}: Add one mana of any color. | Chase Stone

Sylvan Primordial | Creature | Avatar | Reach
When Sylvan Primordial enters, for each opponent, destroy target noncreature permanent that player controls. For each permanent destroyed this way, search your library for a Forest card and put that card onto the battlefield tapped. Then shuffle. | Stephan Martiniere

Woodland Wanderer | Creature | Elemental | Vigilance, trample
Converge — Woodland Wanderer enters with a +1/+1 counter on it for each color of mana spent to cast it. | Vincent Proce

Medomai the Ageless | Legendary Creature | Sphinx | Flying
Whenever Medomai the Ageless deals combat damage to a player, take an extra turn after this one.
Medomai the Ageless can't attack during extra turns. | David Palumbo

Ashen Rider | Creature | Archon | Flying
When Ashen Rider enters or dies, exile target permanent. | Chris Rahn

Boros Reckoner | Creature | Minotaur Wizard | Whenever Boros Reckoner is dealt damage, it deals that much damage to any target.
{R/W}: Boros Reckoner gains first strike until end of turn. | Howard Lyon

Fleecemane Lion | Creature | Cat | {3}{G}{W}: Monstrosity 1. (If this creature isn't monstrous, put a +1/+1 counter on it and it becomes monstrous.)
As long as Fleecemane Lion is monstrous, it has hexproof and indestructible. | Slawomir Maniak

Notion Thief | Creature | Human Rogue | Flash
If an opponent would draw a card except the first one they draw in each of their draw steps, instead that player skips that draw and you draw a card. | Clint Cearley

Sire of Insanity | Creature | Demon | At the beginning of each end step, each player discards their hand. | Joshua Raphael

Lotleth Troll | Creature | Zombie Troll | Trample
Discard a creature card: Put a +1/+1 counter on Lotleth Troll.
{B}: Regenerate Lotleth Troll. | Vincent Proce

Ruric Thar, the Unbowed | Legendary Creature | Ogre Warrior | Vigilance, reach
Ruric Thar, the Unbowed attacks each combat if able.
Whenever a player casts a noncreature spell, Ruric Thar deals 6 damage to that player. | Tyler Jacobson

Chromanticore | Enchantment Creature | Manticore | Bestow {2}{W}{U}{B}{R}{G} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)
Flying, first strike, vigilance, trample, lifelink
Enchanted creature gets +4/+4 and has flying, first strike, vigilance, trample, and lifelink. | Min Yum