Guardian Seraph

Flying
If a source an opponent controls would deal damage to you, prevent 1 of that damage.

Excommunicate

Put target creature on top of its owner's library.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Essence Scatter

Diabolic Tutor

Search your library for a card, put that card into your hand, then shuffle.

Seismic Strike

Seismic Strike deals damage to target creature equal to the number of Mountains you control.

Shivan Dragon

Flying
{R}: This creature gets +1/+0 until end of turn.

Jackal Familiar

Jackal Familiar can't attack or block alone.

Lifelink

Enchant creature
Enchanted creature has lifelink. (Damage dealt by the creature also causes its controller to gain that much life.)

Centaur Courser

Righteousness

Target blocking creature gets +7/+7 until end of turn.

Gravedigger

When Gravedigger enters, you may return target creature card from your graveyard to your hand.

Indestructibility

Enchant permanent
Enchanted permanent has indestructible. (Effects that say "destroy" don't destroy that permanent. A creature with indestructible can't be destroyed by damage.)

Kelinore Bat

Enormous Baloth

Cemetery Reaper

Other Zombie creatures you control get +1/+1.
{2}{B}, {T}: Exile target creature card from a graveyard. Create a 2/2 black Zombie creature token.

Giant Spider

Reach (This creature can block creatures with flying.)

Deathmark

Kraken's Eye

Whenever a player casts a blue spell, you may gain 1 life.

Shatter

Armored Ascension

Enchant creature
Enchanted creature gets +1/+1 for each Plains you control and has flying.

Lightwielder Paladin

First strike (This creature deals combat damage before creatures without first strike.)
Whenever Lightwielder Paladin deals combat damage to a player, you may exile target black or red permanent that player controls.

Negate

Ant Queen

{1}{G}: Create a 1/1 green Insect creature token.

White Knight

First strike (This creature deals combat damage before creatures without first strike.)
Protection from black (This creature can't be blocked, targeted, dealt damage, or enchanted by anything black.)

Awakener Druid

When Awakener Druid enters, target Forest becomes a 4/5 green Treefolk creature for as long as Awakener Druid remains on the battlefield. It's still a land.

Clone

You may have Clone enter as a copy of any creature on the battlefield.

Wind Drake

Dragon's Claw

Whenever a player casts a red spell, you may gain 1 life.

Rise from the Grave

Put target creature card from a graveyard onto the battlefield under your control. That creature is a black Zombie in addition to its other colors and types.

Unsummon

Return target creature to its owner's hand.

Blinding Mage

Mind Rot

Emerald Oryx

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)

Mist Leopard

Shroud (This creature can't be the target of spells or abilities.)

Canyon Minotaur

Mesa Enchantress

Whenever you cast an enchantment spell, you may draw a card.

Acidic Slime

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)
When Acidic Slime enters, destroy target artifact, enchantment, or land.

Sleep

Tap all creatures target player controls. Those creatures don't untap during that player's next untap step.

Sign in Blood

Target player draws two cards and loses 2 life.

Polymorph

Destroy target creature. It can't be regenerated. Its controller reveals cards from the top of their library until they reveal a creature card. The player puts that card onto the battlefield, then shuffles all other cards revealed this way into their library.

Cancel

Panic Attack

Up to three target creatures can't block this turn.

Planar Cleansing

Sparkmage Apprentice

When Sparkmage Apprentice enters, it deals 1 damage to any target.

Sage Owl

Flying
When Sage Owl enters, look at the top four cards of your library, then put them back in any order.

Stormfront Pegasus

Elvish Visionary

When Elvish Visionary enters, draw a card.

Flashfreeze

Overrun

Creatures you control get +3/+3 and gain trample until end of turn. (Each of those creatures can deal excess combat damage to the player or planeswalker it's attacking.)

Ball Lightning

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
Haste (This creature can attack and {T} as soon as it comes under your control.)
At the beginning of the end step, sacrifice this creature.

Acolyte of Xathrid

Wall of Fire

Defender (This creature can't attack.)
{R}: Wall of Fire gets +1/+0 until end of turn.

Duress

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.

Act of Treason

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. (It can attack and {T} this turn.)

Howling Banshee

Flying
When Howling Banshee enters, each player loses 3 life.

Howl of the Night Pack

Create a 2/2 green Wolf creature token for each Forest you control.

Serpent of the Endless Sea

Serpent of the Endless Sea's power and toughness are each equal to the number of Islands you control.
Serpent of the Endless Sea can't attack unless defending player controls an Island.

Burst of Speed

Creatures you control gain haste until end of turn. (They can attack and {T} even if they just came under your control.)

Earthquake

Earthquake deals X damage to each creature without flying and each player.

Runeclaw Bear

Veteran Swordsmith

Other Soldier creatures you control get +1/+0.

Borderland Ranger

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

Captain of the Watch

Vigilance (Attacking doesn't cause this creature to tap.)
Other Soldier creatures you control get +1/+1 and have vigilance.
When Captain of the Watch enters, create three 1/1 white Soldier creature tokens.

Prevent all combat damage that would be dealt this turn.

Silvercoat Lion

Kalonian Behemoth

Angel's Feather

Whenever a player casts a white spell, you may gain 1 life.

Undead Slayer

{W}, {T}: Exile target Skeleton, Vampire, or Zombie.

Levitation

Oakenform

Enchant creature
Enchanted creature gets +3/+3.

Might of Oaks

Target creature gets +7/+7 until end of turn.

Snapping Drake

Flying (This creature can't be blocked except by creatures with flying or reach.)

Telepathy

Your opponents play with their hands revealed.

Stampeding Rhino

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Consume Spirit

Spend only black mana on X.
Consume Spirit deals X damage to any target and you gain X life.

Goblin Chieftain

Haste (This creature can attack and {T} as soon as it comes under your control.)
Other Goblin creatures you control get +1/+1 and have haste.

Wurm's Tooth

Whenever a player casts a green spell, you may gain 1 life.

Elvish Archdruid

Other Elf creatures you control get +1/+1.
{T}: Add {G} for each Elf you control.

Palace Guard

Palace Guard can block any number of creatures.

Ignite Disorder

Ignite Disorder deals 3 damage divided as you choose among one, two, or three target white and/or blue creatures.

Wall of Faith

Defender (This creature can't attack.)
{W}: Wall of Faith gets +0/+1 until end of turn.

Tome Scour

Yawning Fissure

Each opponent sacrifices a land of their choice.

Zephyr Sprite

Craw Wurm

Prodigal Pyromancer

{T}: Prodigal Pyromancer deals 1 damage to any target.

Entangling Vines

Enchant tapped creature
Enchanted creature doesn't untap during its controller's untap step.

Nightmare

Flying (This creature can't be blocked except by creatures with flying or reach.)
Nightmare's power and toughness are each equal to the number of Swamps you control.

Illusionary Servant

Flying
When Illusionary Servant becomes the target of a spell or ability, sacrifice it.

Llanowar Elves

Harm's Way

The next 2 damage that a source of your choice would deal to you and/or permanents you control this turn is dealt to any target instead.

Rhox Pikemaster

First strike (This creature deals combat damage before creatures without first strike.)
Other Soldier creatures you control have first strike.

Angel's Mercy

Convincing Mirage

Enchant land
As Convincing Mirage enters, choose a basic land type.
Enchanted land is the chosen type.

Divination

Pithing Needle

As Pithing Needle enters, choose a card name.
Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

Alluring Siren

{T}: Target creature an opponent controls attacks you this turn if able.

Tempest of Light

Hypnotic Specter

Flying
Whenever Hypnotic Specter deals damage to an opponent, that player discards a card at random.

Goblin Piker

Giant Growth

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

Megrim

Whenever an opponent discards a card, Megrim deals 2 damage to that player.

Inferno Elemental

Whenever Inferno Elemental blocks or becomes blocked by a creature, Inferno Elemental deals 3 damage to that creature.

Child of Night

Wall of Frost

Defender
Whenever Wall of Frost blocks a creature, that creature doesn't untap during its controller's next untap step.