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.)
{4}{W}{W}
Adarkar Valkyrie
Snow Creature - Angel
Flying, vigilance
{T}: When target creature other than Adarkar Valkyrie dies this turn, return that card to the battlefield under your control.
4 /
5
{4}{R}
Alena, Kessig Trapper
Legendary Creature - Human Scout
First strike
{T}: Add an amount of {R} equal to the greatest power among creatures you control that entered the battlefield this turn.
Partner (You can have two commanders if both have partner.)
4 /
3
{2}
Arcane Signet
Artifact
{T}: Add one mana of any color in your commander's color identity.
--
Battlefield Forge
Land
{T}: Add {C}.
{T}: Add {R} or {W}. Battlefield Forge deals 1 damage to you.
{1}{R}{R}
Besmirch
Sorcery
Until end of turn, gain control of target creature and it gains haste. Untap and goad that creature. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)
{5}{R}
Bloodshot Cyclops
Creature - Cyclops Giant
{T}, Sacrifice a creature: Bloodshot Cyclops deals damage equal to the sacrificed creature's power to any target.
4 /
4
--
Boros Garrison
Land
Boros Garrison enters the battlefield tapped.
When Boros Garrison enters the battlefield, return a land you control to its owner's hand.
{T}: Add {R}{W}.
--
Boros Guildgate
Land - Gate
Boros Guildgate enters the battlefield tapped.
{T}: Add {R} or {W}.
{2}{R}{W}
Brion Stoutarm
Legendary Creature - Giant Warrior
Lifelink
{R}, {T}, Sacrifice another creature: Brion Stoutarm deals damage equal to the sacrificed creature's power to target player or planeswalker.
4 /
4
{W}{W}
Brought Back
Instant
Choose up to two target permanent cards in your graveyard that were put there from the battlefield this turn. Return them to the battlefield tapped.
{3}
Burnished Hart
Artifact Creature - Elk
{3}, Sacrifice Burnished Hart: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.
2 /
2
{2}{R}{R}
Calamity Bearer
Creature - Giant Berserker
If a Giant source you control would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.
3 /
4
{5}
Cauldron of Souls
Artifact
{T}: Choose any number of target creatures. Each of those creatures gains persist until end of turn. (When it dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)
--
Clifftop Retreat
Land
Clifftop Retreat enters the battlefield tapped unless you control a Mountain or a Plains.
{T}: Add {R} or {W}.
{W}
Cloudshift
Instant
Exile target creature you control, then return that card to the battlefield under your control.
{3}
Commander's Sphere
Artifact
{T}: Add one mana of any color in your commander's color identity.
Sacrifice Commander's Sphere: Draw a card.
{5}
Conjurer's Closet
Artifact
At the beginning of your end step, you may exile target creature you control, then return that card to the battlefield under your control.
{R}{W}
Deflecting Palm
Instant
The next time a source of your choice would deal damage to you this turn, prevent that damage. If damage is prevented this way, Deflecting Palm deals that much damage to that source's controller.
{1}{W}
Disenchant
Instant
Destroy target artifact or enchantment.
{5}{W}{W}
Emeria Shepherd
Creature - Angel
Flying
Landfall -- Whenever a land enters the battlefield under your control, you may return target nonland permanent card from your graveyard to your hand. If that land is a Plains, you may return that nonland permanent card to the battlefield instead.
4 /
4
{2}
Endless Atlas
Artifact
{2}, {T}: Draw a card. Activate only if you control three or more lands with the same name.
{4}{W}{W}
Evra, Halcyon Witness
Legendary Creature - Avatar
Lifelink
{4}: Exchange your life total with Evra, Halcyon Witness's power.
4 /
4
{1}{R}{R}
Feldon of the Third Path
Legendary Creature - Human Artificer
{2}{R}, {T}: Create a token that's a copy of target creature card in your graveyard, except it's an artifact in addition to its other types. It gains haste. Sacrifice it at the beginning of the next end step.
2 /
3
{5}{R}
Flayer of the Hatebound
Creature - Devil
Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)
Whenever Flayer of the Hatebound or another creature enters the battlefield from your graveyard, that creature deals damage equal to its power to any target.
4 /
2
{1}{R}
Fling
Instant
As an additional cost to cast this spell, sacrifice a creature.
Fling deals damage equal to the sacrificed creature's power to any target.
{1}{R}{R}{R}
Furnace of Rath
Enchantment
If a source would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.
--
Furycalm Snarl
Land
As Furycalm Snarl enters the battlefield, you may reveal a Mountain or Plains card from your hand. If you don't, Furycalm Snarl enters the battlefield tapped.
{T}: Add {R} or {W}.
{2}{W}
Gift of Immortality
Enchantment - Aura
Enchant creature
When enchanted creature dies, return that card to the battlefield under its owner's control. Return Gift of Immortality to the battlefield attached to that creature at the beginning of the next end step.
{4}{R}{W}{W}
Gisela, Blade of Goldnight
Legendary Creature - Angel
Flying, first strike
If a source would deal damage to an opponent or a permanent an opponent controls, that source deals double that damage to that player or permanent instead.
If a source would deal damage to you or a permanent you control, prevent half that damage, rounded up.
5 /
5
{4}
Grafted Exoskeleton
Artifact - Equipment
Equipped creature gets +2/+2 and has infect. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
Whenever Grafted Exoskeleton becomes unattached from a permanent, sacrifice that permanent.
Equip {2}
{6}{R}
Hamletback Goliath
Creature - Giant Warrior
Whenever another creature enters the battlefield, you may put X +1/+1 counters on Hamletback Goliath, where X is that creature's power.
6 /
6
{1}{R}{R}
Hijack
Sorcery
Gain control of target artifact or creature until end of turn. Untap it. It gains haste until end of turn.
{3}{W}{W}{W}
Hour of Revelation
Sorcery
This spell costs {3} less to cast if there are ten or more nonland permanents on the battlefield.
Destroy all nonland permanents.
{W}
Hyena Umbra
Enchantment - Aura
Enchant creature
Enchanted creature gets +1/+1 and has first strike.
Totem armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)
{2}{R}
Kazuul's Fury
Instant
As an additional cost to cast this spell, sacrifice a creature.
Kazuul's Fury deals damage equal to the sacrificed creature's power to any target.
--
Kazuul's Cliffs
Land
Kazuul's Cliffs enters the battlefield tapped.
{T}: Add {R}.
{2}{W}
Lapse of Certainty
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.
{3}{R}{R}
Malignus
Creature - Elemental Spirit
Malignus's power and toughness are each equal to half the highest life total among your opponents, rounded up.
Damage that would be dealt by Malignus can't be prevented.
* /
*
{3}{R}{R}
Mana Geyser
Sorcery
Add {R} for each tapped land your opponents control.
{3}
Mimic Vat
Artifact
Imprint -- Whenever a nontoken creature dies, you may exile that card. If you do, return each other card exiled with Mimic Vat to its owner's graveyard.
{3}, {T}: Create a token that's a copy of a card exiled with Mimic Vat. It gains haste. Exile it at the beginning of the next end step.
{2}
Mind Stone
Artifact
{T}: Add {C}.
{1}, {T}, Sacrifice Mind Stone: Draw a card.
{5}{R}
Mirror March
Enchantment
Whenever a nontoken creature enters the battlefield under your control, flip a coin until you lose a flip. For each flip you won, create a token that's a copy of that creature. Those tokens gain haste. Exile them at the beginning of the next end step.
{1}{R}
Mizzium Mortars
Sorcery
Mizzium Mortars deals 4 damage to target creature you don't control.
Overload {3}{R}{R}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")
{5}{R}{R}
Molten Primordial
Creature - Avatar
Haste
When Molten Primordial enters the battlefield, for each opponent, gain control of up to one target creature that player controls until end of turn. Untap those creatures. They gain haste until end of turn.
6 /
4
{4}{R/P}{R/P}
Moltensteel Dragon
Artifact Creature - Phyrexian Dragon
({R/P} can be paid with either {R} or 2 life.)
Flying
{R/P}: Moltensteel Dragon gets +1/+0 until end of turn.
4 /
4
{W}
Mother of Runes
Creature - Human Cleric
{T}: Target creature you control gains protection from the color of your choice until end of turn.
1 /
1
--
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}.)
--
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}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
{4}
Phyrexian Processor
Artifact
As Phyrexian Processor enters the battlefield, pay any amount of life.
{4}, {T}: Create an X/X black Phyrexian Minion creature token, where X is the life paid as Phyrexian Processor entered the battlefield.
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
{4}{R}
Purphoros, Bronze-Blooded
Legendary Enchantment Creature - God
Indestructible
As long as your devotion to red is less than five, Purphoros isn't a creature.
Other creatures you control have haste.
{2}{R}: You may put a red creature card or an artifact creature card from your hand onto the battlefield. Sacrifice it at the beginning of the next end step.
7 /
6
{4}
Quicksilver Amulet
Artifact
{4}, {T}: You may put a creature card from your hand onto the battlefield.
{2}{R}{R}
Rekindling Phoenix
Creature - Phoenix
Flying
When Rekindling Phoenix dies, create a 0/1 red Elemental creature token with "At the beginning of your upkeep, sacrifice this creature and return target card named Rekindling Phoenix from your graveyard to the battlefield. It gains haste until end of turn."
4 /
3
--
Rugged Prairie
Land
{T}: Add {C}.
{R/W}, {T}: Add {R}{R}, {R}{W}, or {W}{W}.
{6}
Scuttling Doom Engine
Artifact Creature - Construct
Scuttling Doom Engine can't be blocked by creatures with power 2 or less.
When Scuttling Doom Engine dies, it deals 6 damage to target opponent or planeswalker.
6 /
6
{3}{W}
Selfless Squire
Creature - Human Soldier
Flash
When Selfless Squire enters the battlefield, prevent all damage that would be dealt to you this turn.
Whenever damage that would be dealt to you is prevented, put that many +1/+1 counters on Selfless Squire.
1 /
1
{4}{W}{W}{W}
Serra Avatar
Creature - Avatar
Serra Avatar's power and toughness are each equal to your life total.
When Serra Avatar is put into a graveyard from anywhere, shuffle it into its owner's library.
* /
*
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{5}{W}{W}
Soul of Eternity
Creature - Avatar
Soul of Eternity's power and toughness are each equal to your life total.
Encore {7}{W}{W} ({7}{W}{W}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)
* /
*
{5}{R}{R}
Stalking Vengeance
Creature - Avatar
Haste
Whenever another creature you control dies, it deals damage equal to its power to target player or planeswalker.
5 /
5
--
Sundown Pass
Land
Sundown Pass enters the battlefield tapped unless you control two or more other lands.
{T}: Add {R} or {W}.
--
Sunhome, Fortress of the Legion
Land
{T}: Add {C}.
{2}{R}{W}, {T}: Target creature gains double strike until end of turn.
{3}{W}{W}
Sunscorch Regent
Creature - Dragon
Flying
Whenever an opponent casts a spell, put a +1/+1 counter on Sunscorch Regent and you gain 1 life.
4 /
3
{2}
Surveyor's Scope
Artifact
{T}, Exile Surveyor's Scope: Search your library for up to X basic land cards, where X is the number of players who control at least two more lands than you. Put those cards onto the battlefield, then shuffle.
{W}
Swords to Plowshares
Instant
Exile target creature. Its controller gains life equal to its power.
{2}
Talisman of Conviction
Artifact
{T}: Add {C}.
{T}: Add {R} or {W}. Talisman of Conviction deals 1 damage to you.
{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
--
Temple of Triumph
Land
Temple of Triumph enters the battlefield tapped.
When Temple of Triumph enters the battlefield, scry 1.
{T}: Add {R} or {W}.
{4}{W}{W}
Terminus
Sorcery
Put all creatures on the bottom of their owners' libraries.
Miracle {W} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)
{1}{R}
Thrill of Possibility
Instant
As an additional cost to cast this spell, discard a card.
Draw two cards.
{2}{R}{R}{R}
Thunderblust
Creature - Elemental
Haste
Thunderblust has trample as long as it has a -1/-1 counter on it.
Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)
{1}, {T}: Scry 1. Put a landmark counter on Treasure Map. Then if there are three or more landmark counters on it, remove those counters, transform Treasure Map, and create three Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")
--
Treasure Cove
Land
(Transforms from Treasure Map.)
{T}: Add {C}.
{T}, Sacrifice a Treasure: Draw a card.
{3}{R}{R}
Urabrask the Hidden
Legendary Creature - Phyrexian Praetor
Creatures you control have haste.
Creatures your opponents control enter the battlefield tapped.
4 /
4
{5}{R}
Warstorm Surge
Enchantment
Whenever a creature enters the battlefield under your control, it deals damage equal to its power to any target.
{4}
Well of Lost Dreams
Artifact
Whenever you gain life, you may pay {X}, where X is less than or equal to the amount of life you gained. If you do, draw X cards.
--
Wind-Scarred Crag
Land
Wind-Scarred Crag enters the battlefield tapped.
When Wind-Scarred Crag enters the battlefield, you gain 1 life.
{T}: Add {R} or {W}.
{4}{W}{W}
Yosei, the Morning Star
Legendary Creature - Dragon Spirit
Flying
When Yosei, the Morning Star dies, target player skips their next untap step. Tap up to five target permanents that player controls.