{T}, Pay 1 life, Sacrifice Arid Mesa: Search your library for a Mountain or Plains card, put it onto the battlefield, then shuffle.
--
Bloodstained Mire
Land
{T}, Pay 1 life, Sacrifice Bloodstained Mire: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.
{2}{R}{ // }{1}{R}
Bonecrusher Giant // Stomp
Creature - Giant // Instant - Adventure
Whenever Bonecrusher Giant becomes the target of a spell, Bonecrusher Giant deals 2 damage to that spell's controller.
Damage can't be prevented this turn. Stomp deals 2 damage to any target.
4 /
3
{U}
Brainstorm
Instant
Draw three cards, then put two cards from your hand on top of your library in any order.
{1}{U}{U}{ // }{1}{U}
Brazen Borrower // Petty Theft
Creature - Faerie Rogue // Instant - Adventure
Flash
Flying
Brazen Borrower can block only creatures with flying.
Return target nonland permanent an opponent controls to its owner's hand.
3 /
1
{R}
Burst Lightning
Instant
Kicker {4} (You may pay an additional {4} as you cast this spell.)
Burst Lightning deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead.
--
Cascade Bluffs
Land
{T}: Add {C}.
{U/R}, {T}: Add {U}{U}, {U}{R}, or {R}{R}.
{R}
Chain Lightning
Sorcery
Chain Lightning deals 3 damage to any target. Then that player or that permanent's controller may pay {R}{R}. If the player does, they may copy this spell and may choose a new target for that copy.
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
{U}{U}
Counterspell
Instant
Counter target spell.
{1}{U}
Daze
Instant
You may return an Island you control to its owner's hand rather than pay this spell's mana cost.
Counter target spell unless its controller pays {1}.
{U}
Delver of Secrets
Creature - Human Wizard
At the beginning of your upkeep, look at the top card of your library. You may reveal that card. If an instant or sorcery card is revealed this way, transform Delver of Secrets.
1 /
1
--
Insectile Aberration
Creature - Human Insect
Flying
1 /
1
{1}{U}
Dimensional Infiltrator
Creature - Eldrazi
Devoid (This card has no color.)
Flash
Flying
{1}{C}: Target opponent exiles the top card of their library. If it's a land card, you may return Dimensional Infiltrator to its owner's hand. ({C} represents colorless mana.)
2 /
1
{U}
Faerie Seer
Creature - Faerie Wizard
Flying
When Faerie Seer enters the battlefield, scry 2.
1 /
1
{1}{U}
Faerie Vandal
Creature - Faerie Rogue
Flash
Flying
Whenever you draw your second card each turn, put a +1/+1 counter on Faerie Vandal.
1 /
2
{2}{R}{R}
Fiery Confluence
Sorcery
Choose three. You may choose the same mode more than once.
• Fiery Confluence deals 1 damage to each creature.
• Fiery Confluence deals 2 damage to each opponent.
• Destroy target artifact.
{1}{R}{ // }{1}{U}
Fire // Ice
Instant // Instant
Fire deals 2 damage divided as you choose among one or two targets.
Tap target permanent.
Draw a card.
{R}
Flame Slash
Sorcery
Flame Slash deals 4 damage to target creature.
--
Flooded Strand
Land
{T}, Pay 1 life, Sacrifice Flooded Strand: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.
{U}
Force Spike
Instant
Counter target spell unless its controller pays {1}.
{1}{U}{U}
Force of Negation
Instant
If it's not your turn, you may exile a blue card from your hand rather than pay this spell's mana cost.
Counter target noncreature spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.
{3}{U}{U}
Force of Will
Instant
You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.
Counter target spell.
{R}
Forked Bolt
Sorcery
Forked Bolt deals 2 damage divided as you choose among one or two targets.
{R}
Galvanic Blast
Instant
Galvanic Blast deals 2 damage to any target.
Metalcraft -- Galvanic Blast deals 4 damage instead if you control three or more artifacts.
{U/P}
Gitaxian Probe
Sorcery
({U/P} can be paid with either {U} or 2 life.)
Look at target player's hand.
Draw a card.
{R}
Grim Lavamancer
Creature - Human Wizard
{R}, {T}, Exile two cards from your graveyard: Grim Lavamancer deals 2 damage to any target.
1 /
1
{R/P}
Gut Shot
Instant
({R/P} can be paid with either {R} or 2 life.)
Gut Shot deals 1 damage to any target.
{1}{R}
Incinerate
Instant
Incinerate deals 3 damage to any target. A creature dealt damage this way can't be regenerated this turn.
{3}{U}{R}
Kraum, Ludevic's Opus
Legendary Creature - Zombie Horror
Flying, haste
Whenever an opponent casts their second spell each turn, draw a card.
Partner (You can have two commanders if both have partner.)
4 /
4
{R}
Lightning Bolt
Instant
Lightning Bolt deals 3 damage to any target.
{U}{R}
Lightning Stormkin
Creature - Elemental Wizard
Flying
Haste (This creature can attack and {T} as soon as it comes under your control.)
2 /
2
{1}{R}
Lightning Strike
Instant
Lightning Strike deals 3 damage to any target.
{1}{R}
Loyal Apprentice
Creature - Human Artificer
Haste
Lieutenant -- At the beginning of combat on your turn, if you control your commander, create a 1/1 colorless Thopter artifact creature token with flying. That token gains haste until end of turn.
2 /
1
{1}{U}{R}
Ludevic, Necro-Alchemist
Legendary Creature - Human Wizard
At the beginning of each player's end step, that player may draw a card if a player other than you lost life this turn.
Partner (You can have two commanders if both have partner.)
1 /
4
{1}{U}
Mana Leak
Instant
Counter target spell unless its controller pays {3}.
{U}
Mausoleum Wanderer
Creature - Spirit
Flying
Whenever another Spirit enters the battlefield under your control, Mausoleum Wanderer gets +1/+1 until end of turn.
Sacrifice Mausoleum Wanderer: Counter target instant or sorcery spell unless its controller pays {X}, where X is Mausoleum Wanderer's power.
1 /
1
{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.
{U/P}
Mental Misstep
Instant
({U/P} can be paid with either {U} or 2 life.)
Counter target spell with mana value 1.
{U}
Mind Harness
Enchantment - Aura
Enchant red or green creature
Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
You control enchanted creature.
{1}{U}
Miscalculation
Instant
Counter target spell unless its controller pays {2}.
Cycling {2} ({2}, Discard this card: Draw a card.)
--
Misty Rainforest
Land
{T}, Pay 1 life, Sacrifice Misty Rainforest: Search your library for a Forest or Island card, put it onto the battlefield, then shuffle.
{R}
Monastery Swiftspear
Creature - Human Monk
Haste
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
1 /
2
{U}
Opt
Instant
Scry 1.
Draw a card.
--
Polluted Delta
Land
{T}, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.
{U}
Ponder
Sorcery
Look at the top three cards of your library, then put them back in any order. You may shuffle.
Draw a card.
{U}
Preordain
Sorcery
Scry 2, then draw a card. (To 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.)
--
Prismatic Vista
Land
{T}, Pay 1 life, Sacrifice Prismatic Vista: Search your library for a basic land card, put it onto the battlefield, then shuffle.
{U}
Pteramander
Creature - Salamander Drake
Flying
{7}{U}: Adapt 4. This ability costs {1} less to activate for each instant and sorcery card in your graveyard. (If this creature has no +1/+1 counters on it, put four +1/+1 counters on it.)
1 /
1
{4}{R}{R}
Pyrokinesis
Instant
You may exile a red card from your hand rather than pay this spell's mana cost.
Pyrokinesis deals 4 damage divided as you choose among any number of target creatures.
{1}{U}
Rattlechains
Creature - Spirit
Flash
Flying
When Rattlechains enters the battlefield, target Spirit gains hexproof until end of turn.
You may cast Spirit spells as though they had flash.
2 /
1
{1}{U}
Remand
Instant
Counter target spell. If that spell is countered this way, put it into its owner's hand instead of into that player's graveyard.
Draw a card.
--
Scalding Tarn
Land
{T}, Pay 1 life, Sacrifice Scalding Tarn: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle.
{1}{R}
Searing Spear
Instant
Searing Spear deals 3 damage to any target.
{U}
Serum Visions
Sorcery
Draw a card. Scry 2.
--
Shivan Reef
Land
{T}: Add {C}.
{T}: Add {U} or {R}. Shivan Reef deals 1 damage to you.
{R}
Shock
Instant
Shock deals 2 damage to any target.
{U}
Sleight of Hand
Sorcery
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}{U}
Snap
Instant
Return target creature to its owner's hand. Untap up to two lands.
{1}{U}
Snapcaster Mage
Creature - Human Wizard
Flash
When Snapcaster Mage enters the battlefield, target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. (You may cast that card from your graveyard for its flashback cost. Then exile it.)
2 /
1
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Mountain
Basic Snow Land - Mountain
({T}: Add {R}.)
--
Snow-Covered Mountain
Basic Snow Land - Mountain
({T}: Add {R}.)
--
Snow-Covered Mountain
Basic Snow Land - Mountain
({T}: Add {R}.)
--
Snow-Covered Mountain
Basic Snow Land - Mountain
({T}: Add {R}.)
--
Snow-Covered Mountain
Basic Snow Land - Mountain
({T}: Add {R}.)
--
Snow-Covered Mountain
Basic Snow Land - Mountain
({T}: Add {R}.)
--
Snow-Covered Mountain
Basic Snow Land - Mountain
({T}: Add {R}.)
--
Snow-Covered Mountain
Basic Snow Land - Mountain
({T}: Add {R}.)
{R}
Soul-Scar Mage
Creature - Human Wizard
Prowess
If a source you control would deal noncombat damage to a creature an opponent controls, put that many -1/-1 counters on that creature instead.
1 /
2
{U}
Spell Pierce
Instant
Counter target noncreature spell unless its controller pays {2}.
{U}
Spell Snare
Instant
Counter target spell with mana value 2.
--
Spirebluff Canal
Land
Spirebluff Canal enters the battlefield tapped unless you control two or fewer other lands.
{T}: Add {U} or {R}.
{U}{R}
Sprite Dragon
Creature - Faerie Dragon
Flying, haste
Whenever you cast a noncreature spell, put a +1/+1 counter on Sprite Dragon.
1 /
1
--
Steam Vents
Land - Island Mountain
({T}: Add {U} or {R}.)
As Steam Vents enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
{U}{R}
Stormchaser Mage
Creature - Human Wizard
Flying, haste
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
1 /
3
{3}{U}{U}
Stormwing Entity
Creature - Elemental
This spell costs {2}{U} less to cast if you've cast an instant or sorcery spell this turn.
Flying
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
When Stormwing Entity enters the battlefield, scry 2.
3 /
3
--
Sulfur Falls
Land
Sulfur Falls enters the battlefield tapped unless you control an Island or a Mountain.
{T}: Add {U} or {R}.
--
Tectonic Edge
Land
{T}: Add {C}.
{1}, {T}, Sacrifice Tectonic Edge: Destroy target nonbasic land. Activate only if an opponent controls four or more lands.
{2}{R}{R}
Territorial Hellkite
Creature - Dragon
Flying, haste
At the beginning of combat on your turn, choose an opponent at random that Territorial Hellkite didn't attack during your last combat. Territorial Hellkite attacks that player this combat if able. If you can't choose an opponent this way, tap Territorial Hellkite.
6 /
5
{1}{U}{U}
True-Name Nemesis
Creature - Merfolk Rogue
As True-Name Nemesis enters the battlefield, choose a player.
True-Name Nemesis has protection from the chosen player.
3 /
1
{1}{U}
Unsubstantiate
Instant
Return target spell or creature to its owner's hand.
{U}
Vapor Snag
Instant
Return target creature to its owner's hand. Its controller loses 1 life.
{1}{U}{U}
Vendilion Clique
Legendary Creature - Faerie Wizard
Flash
Flying
When Vendilion Clique enters the battlefield, look at target player's hand. You may choose a nonland card from it. If you do, that player reveals the chosen card, puts it on the bottom of their library, then draws a card.
3 /
1
--
Volcanic Island
Land - Island Mountain
({T}: Add {U} or {R}.)
{R}
Wild Slash
Instant
Ferocious -- If you control a creature with power 4 or greater, damage can't be prevented this turn.
Wild Slash deals 2 damage to any target.
--
Wooded Foothills
Land
{T}, Pay 1 life, Sacrifice Wooded Foothills: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle.
{1}{R}
Young Pyromancer
Creature - Human Shaman
Whenever you cast an instant or sorcery spell, create a 1/1 red Elemental creature token.
2 /
1
{1}{U}
Fumble
Instant
Return target creature to its owner's hand. Gain control of all Auras and Equipment that were attached to it, then attach them to another creature.