Counter target spell unless its controller pays {3}.
Spell mastery -- If there are two or more instant and/or sorcery cards in your graveyard, scry 2. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)
{1}
Consulate Dreadnought
Artifact - Vehicle
Crew 6 (Tap any number of creatures you control with total power 6 or more: This Vehicle becomes an artifact creature until end of turn.)
7 /
11
{3}{U}
Deep Analysis
Sorcery
Target player draws two cards.
Flashback--{1}{U}, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{1}{U}
Essence Scatter
Instant
Counter target creature spell.
{1}{U}
Essence Scatter
Instant
Counter target creature spell.
{1}{R}
Firebrand Archer
Creature - Human Archer
Whenever you cast a noncreature spell, Firebrand Archer deals 1 damage to each opponent.
2 /
1
{R}
Foundry Street Denizen
Creature - Goblin Warrior
Whenever another red creature enters the battlefield under your control, Foundry Street Denizen gets +1/+0 until end of turn.
1 /
1
{2}{R}
Guttersnipe
Creature - Goblin Shaman
Whenever you cast an instant or sorcery spell, Guttersnipe deals 2 damage to each opponent.
2 /
2
{2}{R}
Guttersnipe
Creature - Goblin Shaman
Whenever you cast an instant or sorcery spell, Guttersnipe deals 2 damage to each opponent.
2 /
2
{U/R}
How to Keep an Izzet Mage Busy
Sorcery
Return How to Keep an Izzet Mage Busy to its owner's hand.
{1}{R}
Impact Tremors
Enchantment
Whenever a creature enters the battlefield under your control, Impact Tremors deals 1 damage to each opponent.
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
{1}{R}
Krenko's Command
Sorcery
Create two 1/1 red Goblin creature tokens.
{2}{R}{R}
Krenko, Mob Boss
Legendary Creature - Goblin Warrior
{T}: Create X 1/1 red Goblin creature tokens, where X is the number of Goblins you control.
3 /
3
{1}{U}
Memory Lapse
Instant
Counter target spell. If that spell is countered this way, put it on top of its owner's library instead of into that player's graveyard.
{2}
Millstone
Artifact
{2}, {T}: Target player mills two cards.
{1}{U}
Mind Sculpt
Sorcery
Target opponent mills seven cards.
{1}{U}
Mind Sculpt
Sorcery
Target opponent mills seven cards.
{3}{U}{U}
Misdirection
Instant
You may exile a blue card from your hand rather than pay this spell's mana cost.
Change the target of target spell with a single target.
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
{1}{U}
Negate
Instant
Counter target noncreature spell.
{1}{R}
Release the Ants
Instant
Release the Ants deals 1 damage to any target. Clash with an opponent. If you win, return Release the Ants to its owner's hand. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.)
{U}
Retraction Helix
Instant
Until end of turn, target creature gains "{T}: Return target nonland permanent to its owner's hand."
{2}{U}
Sea Gate Oracle
Creature - Human Wizard
When Sea Gate Oracle enters the battlefield, look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library.
1 /
3
{1}{U}
Snap
Instant
Return target creature to its owner's hand. Untap up to two lands.
{2}{R}
Taurean Mauler
Creature - Shapeshifter
Changeling (This card is every creature type.)
Whenever an opponent casts a spell, you may put a +1/+1 counter on Taurean Mauler.
2 /
2
{1}{R}
Thrill of Possibility
Instant
As an additional cost to cast this spell, discard a card.
Draw two cards.
{3}{U}
Thunder Drake
Creature - Elemental Drake
Flying
Whenever you cast your second spell each turn, put a +1/+1 counter on Thunder Drake.
Converge -- Draw X cards, where X is the number of colors of mana spent to cast this spell. Then discard two cards.
{4}{U}{U}
Brine Elemental
Creature - Elemental
Morph {5}{U}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)
When Brine Elemental is turned face up, each opponent skips their next untap step.
5 /
4
{4}{R}
Cleansing Screech
Sorcery
Cleansing Screech deals 4 damage to any target.
{3}{U}{U}
Corrupted Conscience
Enchantment - Aura
Enchant creature
You control enchanted creature.
Enchanted creature has infect. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
{3}{U}
Floodgate
Creature - Wall
Defender (This creature can't attack.)
When Floodgate has flying, sacrifice it.
When Floodgate leaves the battlefield, it deals damage equal to half the number of Islands you control, rounded down, to each nonblue creature without flying.
0 /
5
{1}{R}
Goblin Locksmith
Creature - Goblin Rogue
Whenever Goblin Locksmith attacks, creatures with defender can't block this turn.
2 /
1
{1}{R}
Goblin Locksmith
Creature - Goblin Rogue
Whenever Goblin Locksmith attacks, creatures with defender can't block this turn.
2 /
1
{1}{R}
Goblin Locksmith
Creature - Goblin Rogue
Whenever Goblin Locksmith attacks, creatures with defender can't block this turn.
2 /
1
{3}{U}
Grasp of Phantoms
Sorcery
Put target creature on top of its owner's library.
Flashback {7}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{2}{U}{U}
Mist Raven
Creature - Bird
Flying
When Mist Raven enters the battlefield, return target creature to its owner's hand.
2 /
2
{3}{U}{U}
Mystic Confluence
Instant
Choose three. You may choose the same mode more than once.
• Counter target spell unless its controller pays {3}.
• Return target creature to its owner's hand.
• Draw a card.
{1}{R}
Nimble-Blade Khenra
Creature - Jackal Warrior
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
1 /
3
{4}{U/R}{U/R}
Nucklavee
Creature - Beast
When Nucklavee enters the battlefield, you may return target red sorcery card from your graveyard to your hand.
When Nucklavee enters the battlefield, you may return target blue instant card from your graveyard to your hand.
4 /
4
{2}{U}
Ojutai's Breath
Instant
Tap target creature. It doesn't untap during its controller's next untap step.
Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)
{4}
Peace Strider
Artifact Creature - Construct
When Peace Strider enters the battlefield, you gain 3 life.
3 /
3
{1}{R}
Reckless Fireweaver
Creature - Human Artificer
Whenever an artifact enters the battlefield under your control, Reckless Fireweaver deals 1 damage to each opponent.
1 /
3
{1}{R}
Swashbuckling
Enchantment - Aura
Enchant creature
Enchanted creature gets +2/+2 and has haste.
{1}{U}
Treasure Hunt
Sorcery
Reveal cards from the top of your library until you reveal a nonland card, then put all cards revealed this way into your hand.