Opportunity

Encrust

Enchant artifact or creature
Enchanted permanent doesn't untap during its controller's untap step and its activated abilities can't be activated.

Wildwood Rebirth

Return target creature card from your graveyard to your hand.

Slime Molding

Nightwing Shade

Flying
{1}{B}: Nightwing Shade gets +1/+1 until end of turn.

Way of the Thief

Enchant creature
Enchanted creature gets +2/+2.
Enchanted creature can't be blocked as long as you control a Gate.

Craterize

Viashino Firstblade

Haste
When Viashino Firstblade enters, it gets +2/+2 until end of turn.

Seller of Songbirds

When Seller of Songbirds enters, create a 1/1 white Bird creature token with flying.

Splatter Thug

First strike
Unleash (You may have this creature enter with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)

Sporemound

Landfall — Whenever a land you control enters, create a 1/1 green Saproling creature token.

Lyev Skyknight

Flying
When Lyev Skyknight enters, detain target nonland permanent an opponent controls. (Until your next turn, that permanent can't attack or block and its activated abilities can't be activated.)

Worldfire

Exile all permanents. Exile all cards from all hands and graveyards. Each player's life total becomes 1.

Hands of Binding

Tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.
Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

Deathgaze Cockatrice

Flying
Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Shock

Armored Transport

Prevent all combat damage that would be dealt to Armored Transport by creatures blocking it.

Seismic Stomp

Creatures without flying can't block this turn.

Axebane Stag

Faerie Invaders

Flash (You may cast this spell any time you could cast an instant.)
Flying

Mugging

Mugging deals 2 damage to target creature. That creature can't block this turn.

Pacifism

Enchant creature
Enchanted creature can't attack or block.

Giant Growth

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

Turn to Slag

Turn to Slag deals 5 damage to target creature. Destroy all Equipment attached to that creature.

Stab Wound

Enchant creature
Enchanted creature gets -2/-2.
At the beginning of the upkeep of enchanted creature's controller, that player loses 2 life.

Seacoast Drake

Skarrg Guildmage

{R}{G}: Creatures you control gain trample until end of turn.
{1}{R}{G}: Target land you control becomes a 4/4 Elemental creature until end of turn. It's still a land.

Wild Guess

As an additional cost to cast this spell, discard a card.
Draw two cards.

Mountain

Celestial Flare

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

Corpse Blockade

Defender
Sacrifice another creature: Corpse Blockade gains deathtouch until end of turn.

Bioshift

Move any number of +1/+1 counters from target creature onto another target creature with the same controller.

Archaeomancer

When Archaeomancer enters, return target instant or sorcery card from your graveyard to your hand.

Marauding Maulhorn

Marauding Maulhorn attacks each combat if able unless you control a creature named Advocate of the Beast.

Trained Condor

Flying
Whenever Trained Condor attacks, another target creature you control gains flying until end of turn.

Golgari Keyrune

{T}: Add {B} or {G}.
{B}{G}: Golgari Keyrune becomes a 2/2 black and green Insect artifact creature with deathtouch until end of turn.

Jelenn Sphinx

Flying, vigilance
Whenever Jelenn Sphinx attacks, other attacking creatures get +1/+1 until end of turn.

Young Pyromancer

Whenever you cast an instant or sorcery spell, create a 1/1 red Elemental creature token.

Drainpipe Vermin

When Drainpipe Vermin dies, you may pay {B}. If you do, target player discards a card.

Child of Night

Deadly Recluse

Reach (This creature can block creatures with flying.)
Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Elvish Mystic

Disperse

Return target nonland permanent to its owner's hand.

Zhur-Taa Swine

Bloodrush — {1}{R}{G}, Discard Zhur-Taa Swine: Target attacking creature gets +5/+4 until end of turn.

Avenging Arrow

Destroy target creature that dealt damage this turn.

Vedalken Entrancer

Accursed Spirit

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Divination

Blustersquall

Tap target creature you don't control.
Overload {3}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Paralyzing Grasp

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

Festering Newt

When Festering Newt dies, target creature an opponent controls gets -1/-1 until end of turn. That creature gets -4/-4 instead if you control a creature named Bogbrew Witch.

Briarpack Alpha

Flash (You may cast this spell any time you could cast an instant.)
When Briarpack Alpha enters, target creature gets +2/+2 until end of turn.

Liturgy of Blood

Predatory Sliver

Gruul War Chant

Attacking creatures you control get +1/+0 and have menace.

Coursers' Accord

Create a 3/3 green Centaur creature token, then populate. (Create a token that's a copy of a creature token you control.)

Druid's Deliverance

Prevent all combat damage that would be dealt to you this turn. Populate. (Create a token that's a copy of a creature token you control.)

Brindle Boar

Aerial Predation

Destroy target creature with flying. You gain 2 life.

Prized Elephant

Prized Elephant gets +1/+1 as long as you control a Forest.
{G}: Prized Elephant gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.)

Flames of the Firebrand

Flames of the Firebrand deals 3 damage divided as you choose among one, two, or three targets.

Wind Drake

Ring of Kalonia

Equipped creature has trample. (It can deal excess combat damage to the player or planeswalker it's attacking.)
At the beginning of your upkeep, put a +1/+1 counter on equipped creature if it's green.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Warden of Evos Isle

Flying
Creature spells with flying you cast cost {1} less to cast.

Hunt the Weak

Put a +1/+1 counter on target creature you control. Then that creature fights target creature you don't control. (Each deals damage equal to its power to the other.)

Stealer of Secrets

Whenever Stealer of Secrets deals combat damage to a player, draw a card.

Firefist Striker

Battalion — Whenever Firefist Striker and at least two other creatures attack, target creature can't block this turn.

Doorkeeper

Defender
{2}{U}, {T}: Target player mills X cards, where X is the number of creatures you control with defender.

Cancel

Grim Roustabout

Unleash (You may have this creature enter with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)
{1}{B}: Regenerate Grim Roustabout.

Capashen Knight

First strike (This creature deals combat damage before creatures without first strike.)
{1}{W}: Capashen Knight gets +1/+0 until end of turn.

Serra Angel

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

Eyes in the Skies

Create a 1/1 white Bird creature token with flying, then populate. (Create a token that's a copy of a creature token you control.)

Island

Slaughterhorn

Bloodrush — {G}, Discard Slaughterhorn: Target attacking creature gets +3/+2 until end of turn.

Syndicate Enforcer

Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)

Sunspire Griffin

Bond Beetle

When Bond Beetle enters, put a +1/+1 counter on target creature.

Rumbling Baloth

Voidwielder

When Voidwielder enters, you may return target creature to its owner's hand.

Gruul Guildgate

This land enters tapped.
{T}: Add {R} or {G}.

Trostani's Summoner

When Trostani's Summoner enters, create a 2/2 white Knight creature token with vigilance, a 3/3 green Centaur creature token, and a 4/4 green Rhino creature token with trample.

Concordia Pegasus

Foundry Street Denizen

Whenever another red creature you control enters, Foundry Street Denizen gets +1/+0 until end of turn.

Advocate of the Beast

At the beginning of your end step, put a +1/+1 counter on target Beast creature you control.

Shrivel

All creatures get -1/-1 until end of turn.

Annihilating Fire

Annihilating Fire deals 3 damage to any target. If a creature dealt damage this way would die this turn, exile it instead.

Doom Blade

Vassal Soul

Skyknight Legionnaire

Miming Slime

Create an X/X green Ooze creature token, where X is the greatest power among creatures you control.

Vitu-Ghazi Guildmage

{4}{G}{W}: Create a 3/3 green Centaur creature token.
{2}{G}{W}: Populate. (Create a token that's a copy of a creature token you control.)

Savage Summoning

This spell can't be countered.
The next creature spell you cast this turn can be cast as though it had flash. That spell can't be countered. That creature enters with an additional +1/+1 counter on it.

Trostani's Judgment

Exile target creature, then populate. (Create a token that's a copy of a creature token you control.)

Selesnya Guildgate

This land enters tapped.
{T}: Add {G} or {W}.

Pitchburn Devils

When Pitchburn Devils dies, it deals 3 damage to any target.

Skyline Predator

Wring Flesh

Target creature gets -3/-1 until end of turn.

Fortify

Choose one —
• Creatures you control get +2/+0 until end of turn.
• Creatures you control get +0/+2 until end of turn.

Griffin Sentinel

Kraul Warrior

{5}{G}: Kraul Warrior gets +3/+3 until end of turn.

Forest

Rootwalla

{1}{G}: Rootwalla gets +2/+2 until end of turn. Activate only once each turn.

Ghor-Clan Rampager

Trample
Bloodrush — {R}{G}, Discard Ghor-Clan Rampager: Target attacking creature gets +4/+4 and gains trample until end of turn.

Greenside Watcher

Truefire Paladin

Vigilance
{R}{W}: Truefire Paladin gets +2/+0 until end of turn.
{R}{W}: Truefire Paladin gains first strike until end of turn.

Urbis Protector

When Urbis Protector enters, create a 4/4 white Angel creature token with flying.

Chandra's Outrage

Chandra's Outrage deals 4 damage to target creature and 2 damage to that creature's controller.

Corrupt

Corrupt deals damage to any target equal to the number of Swamps you control. You gain life equal to the damage dealt this way.

Rain of Blades

Rain of Blades deals 1 damage to each attacking creature.

Kalonian Tusker

Centaur's Herald

{2}{G}, Sacrifice Centaur's Herald: Create a 3/3 green Centaur creature token.

Angelic Wall

Defender (This creature can't attack.)
Flying

Wojek Halberdiers

Battalion — Whenever Wojek Halberdiers and at least two other creatures attack, Wojek Halberdiers gains first strike until end of turn.