Koilos Roc

Flash
Flying
When this creature enters, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

Frost Breath

Tap up to two target creatures. Those creatures don't untap during their controller's next untap step.

Cackling Fiend

When this creature enters, each opponent discards a card.

Peerless Samurai

Menace (This creature can't be blocked except by two or more creatures.)
Whenever a Samurai or Warrior you control attacks alone, the next spell you cast this turn costs {1} less to cast.

Advanced Stitchwing

Flying
{2}{U}, Discard two cards: Return this card from your graveyard to the battlefield tapped.

Anticipate

Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Blood-Toll Harpy

Flying
When this creature enters, each player loses 1 life.

Swamp

Boggart Brute

Menace (This creature can't be blocked except by two or more creatures.)

Twisted Embrace

Enchant artifact or creature you control
When this Aura enters, destroy target creature or planeswalker an opponent controls.
As long as enchanted permanent is a creature, it gets +1/+1.

Golem Artisan

{2}: Target artifact creature gets +1/+1 until end of turn.
{2}: Target artifact creature gains your choice of flying, trample, or haste until end of turn.

Chandra's Outrage

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

Gargoyle Sentinel

Defender (This creature can't attack.)
{3}: Until end of turn, this creature loses defender and gains flying.

Witness of Tomorrows

Portent of Betrayal

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Deathgazer

Whenever this creature blocks or becomes blocked by a nonblack creature, destroy that creature at end of combat.

Omenspeaker

When this creature enters, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Universal Solvent

{7}, {T}, Sacrifice this artifact: Destroy target permanent.

Prophetic Prism

When this artifact enters, draw a card.
{1}, {T}: Add one mana of any color.

Tyrant's Machine

Goblin Medics

Whenever this creature becomes tapped, it deals 1 damage to any target.

Flashfreeze

Fiery Fall

Fiery Fall deals 5 damage to target creature.
Basic landcycling {1}{R} ({1}{R}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Ovinize

Until end of turn, target creature loses all abilities and has base power and toughness 0/1.

Vanquish the Weak

Destroy target creature with power 3 or less.

Stonefury

Stonefury deals damage to target creature equal to the number of lands you control.

Demon's Grasp

Target creature gets -5/-5 until end of turn.

Skyraker Giant

Reach (This creature can block creatures with flying.)

Cormela, Glamour Thief

Haste
{1}, {T}: Add {U}{B}{R}. Spend this mana only to cast instant and/or sorcery spells.
When Cormela dies, return up to one target instant or sorcery card from your graveyard to your hand.

Pyre Spawn

When this creature dies, it deals 3 damage to any target.

Air Elemental

Heated Debate

This spell can't be countered. (This includes by the ward ability.)
Heated Debate deals 4 damage to target creature or planeswalker.

Air Servant

Flying
{2}{U}: Tap target creature with flying.

Bottle Gnomes

Sacrifice this creature: You gain 3 life.

Blood Glutton

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Short Sword

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

Gearsmith Guardian

This creature gets +2/+0 as long as you control a blue creature.

Crackling Triton

{2}{R}, Sacrifice this creature: It deals 2 damage to any target.

Dark Favor

Enchant creature
When this Aura enters, you lose 1 life.
Enchanted creature gets +3/+1.

Galestrike

Return target tapped creature to its owner's hand.
Draw a card.

Mountain

Undersea Invader

Flash (You may cast this spell any time you could cast an instant.)
This creature enters tapped.

Convolute

Counter target spell unless its controller pays {4}.

Akki Ember-Keeper

Whenever a nontoken modified creature you control dies, create a 1/1 colorless Spirit creature token. (Equipment, Auras you control, and counters are modifications.)

Assassinate

Siege Zombie

Tap three untapped creatures you control: Each opponent loses 1 life.

Kami of Terrible Secrets

When this creature enters, if you control an artifact and an enchantment, you draw a card and you gain 1 life.

Island

Open Fire

Feebleness

Flash
Enchant creature
Enchanted creature gets -2/-1.

Ichor Slick

Target creature gets -3/-3 until end of turn.
Cycling {2} ({2}, Discard this card: Draw a card.)
Madness {3}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Igneous Elemental

This spell costs {2} less to cast if there is a land card in your graveyard.
When this creature enters, you may have it deal 2 damage to target creature.

Strategic Planning

Look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard.

Burn the Accursed

Burn the Accursed deals 5 damage to target creature and 2 damage to that creature's controller. If that creature would die this turn, exile it instead.

Turn to Slag

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

Mind Rot

Rise Again

Return target creature card from your graveyard to the battlefield.

Howl from Beyond

Target creature gets +X/+0 until end of turn.

Bring Low

Bring Low deals 3 damage to target creature. If that creature has a +1/+1 counter on it, Bring Low deals 5 damage to it instead.

Watchful Automaton

{2}{U}: Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Mishra's Onslaught

Choose one —
• Create two 1/1 colorless Soldier artifact creature tokens.
• Creatures you control get +2/+0 until end of turn.

Bewilder

Target creature gets -3/-0 until end of turn.
Draw a card.

Clear a Path

Obsessive Search

Draw a card.
Madness {U} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Primal Plasma

As this creature enters, it becomes your choice of a 3/3 creature, a 2/2 creature with flying, or a 1/6 creature with defender.

Capture Sphere

Flash (You may cast this spell any time you could cast an instant.)
Enchant creature
When this Aura enters, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.

Tormod's Cryptkeeper

Vigilance
{T}, Sacrifice this creature: Exile target player's graveyard.

Launch Party

As an additional cost to cast this spell, sacrifice a creature.
Destroy target creature. Its controller loses 2 life.

Brazen Freebooter

When this creature enters, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Rummaging Goblin

Sarkhan, the Dragonspeaker

+1: Until end of turn, Sarkhan becomes a legendary 4/4 red Dragon creature with flying, indestructible, and haste. (He doesn't lose loyalty while he's not a planeswalker.)
−3: Sarkhan deals 4 damage to target creature.
−6: You get an emblem with "At the beginning of your draw step, draw two additional cards" and "At the beginning of your end step, discard your hand."

Aven Fisher

Flying (This creature can't be blocked except by creatures with flying or reach.)
When this creature dies, you may draw a card.

Nameless Conqueror

The Shattered States Era

(As this Saga enters and after your draw step, add a lore counter.)
I — Gain control of target creature until end of turn. Untap it. It gains haste until end of turn.
II — Creatures you control get +1/+0 until end of turn.
III — Exile this Saga, then return it to the battlefield transformed under your control.