As long as Anger is in your graveyard and you control a Mountain, creatures you control have haste.
2 /
2
{2}{G}{W}
Applejack
Legendary Creature - Pony
Family Gathering -- At the beginning of your end step, put a toy you own onto the battlefield as a 2/2 creature token with that toy's name, colors, and creature types. If the toy has wings, the token has flying. If the toy has a horn, scry 2. If it has neither, create a Food token.
4 /
4
{W}
Archpriest of Iona
Creature - Human Cleric
Archpriest of Iona's power is equal to the number of creatures in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)
At the beginning of combat on your turn, if you have a full party, target creature gets +1/+1 and gains flying until end of turn.
* /
2
{1}{G}{W}
Aura Shards
Enchantment
Whenever a creature enters the battlefield under your control, you may destroy target artifact or enchantment.
{3}{B}
Burakos, Party Leader
Legendary Creature - Orc
Burakos, Party Leader is also a Cleric, Rogue, Warrior, and Wizard.
Whenever Burakos attacks, defending player loses X life and you create X Treasure tokens, where X is the number of creatures in your party.
Choose a Background (You can have a Background as a second commander.)
2 /
4
{2}{B}
Buried Alive
Sorcery
Search your library for up to three creature cards, put them into your graveyard, then shuffle.
{2}{G}
Chatterfang, Squirrel General
Legendary Creature - Squirrel Warrior
Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)
If one or more tokens would be created under your control, those tokens plus that many 1/1 green Squirrel creature tokens are created instead.
{B}, Sacrifice X Squirrels: Target creature gets +X/-X until end of turn.
3 /
3
{X}{G}{G}{G}
Chord of Calling
Instant
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle.
{2}{W}{W}
Clever Concealment
Instant
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Any number of target nonland permanents you control phase out. (Treat them and anything attached to them as though they don't exist until your next turn.)
{3}{W}{U}{B}{R}{G}
Conflux
Sorcery
Search your library for a white card, a blue card, a black card, a red card, and a green card. Reveal those cards, put them into your hand, then shuffle.
{U}{U}
Counterspell
Instant
Counter target spell.
{4}{B}
Coveted Prize
Sorcery
This spell costs {1} less to cast for each creature in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)
Search your library for a card, put it into your hand, then shuffle. If you have a full party, you may cast a spell with mana value 4 or less from your hand without paying its mana cost.
{3}{W}{W}
Crested Sunmare
Creature - Horse
Other Horses you control have indestructible.
At the beginning of each end step, if you gained life this turn, create a 5/5 white Horse creature token.
5 /
5
{1}{B}
Demonic Tutor
Sorcery
Search your library for a card, put that card into your hand, then shuffle.
{1}{B}
Diabolic Intent
Sorcery
As an additional cost to cast this spell, sacrifice a creature.
Search your library for a card, put that card into your hand, then shuffle.
{4}{G}
Doubling Season
Enchantment
If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.
If an effect would put one or more counters on a permanent you control, it puts twice that many of those counters on that permanent instead.
{W}{W}{B}{B}{B}{G}{G}
Eerie Ultimatum
Sorcery
Return any number of permanent cards with different names from your graveyard to the battlefield.
{G}{W}
Eladamri's Call
Instant
Search your library for a creature card, reveal that card, put it into your hand, then shuffle.
{2}{W}{W}
Emiel the Blessed
Legendary Creature - Unicorn
{3}: Exile another target creature you control, then return it to the battlefield under its owner's control.
Whenever another creature enters the battlefield under your control, you may pay {G/W}. If you do, put a +1/+1 counter on it. If it's a Unicorn, put two +1/+1 counters on it instead. ({G/W} can be paid with either {G} or {W}.)
4 /
4
{7}{W}{W}{W}
Everything Comes to Dust
Sorcery
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Exile all creatures except those that share a creature type with a creature that convoked this spell, all artifacts, and all enchantments.
{1}{G}{W}
Fluttershy
Legendary Creature - Pegasus
Defender, flying
{1}, {T}: Put a +1/+1 counter on each creature with a tail target player controls. Stare down up to one target creature until end of turn. (It can't attack or block as long as you're looking directly at it.)
0 /
4
{1}{G}{W}
Good-Fortune Unicorn
Creature - Unicorn
Whenever another creature enters the battlefield under your control, put a +1/+1 counter on that creature.
2 /
2
{2}{R}
Imperial Recruiter
Creature - Human Advisor
When Imperial Recruiter enters the battlefield, search your library for a creature card with power 2 or less, reveal it, put it into your hand, then shuffle.
1 /
1
{B}
Imperial Seal
Sorcery
Search your library for a card, then shuffle and put that card on top. You lose 2 life.
{1}{W}
Keleth, Sunmane Familiar
Legendary Creature - Horse
Whenever a commander you control attacks, put a +1/+1 counter on it.
Partner (You can have two commanders if both have partner.)
1 /
1
{2}{G}{W}
Lathiel, the Bounteous Dawn
Legendary Creature - Unicorn
Lifelink
At the beginning of each end step, if you gained life this turn, distribute up to that many +1/+1 counters among any number of other target creatures.
2 /
2
{1}{W}{U}
Linvala, Shield of Sea Gate
Legendary Creature - Angel Wizard
Flying
At the beginning of combat on your turn, if you have a full party, choose target nonland permanent an opponent controls. Until your next turn, it can't attack or block, and its activated abilities can't be activated.
Sacrifice Linvala: Choose hexproof or indestructible. Creatures you control gain that ability until end of turn.
3 /
3
{3}{W}
Loyal Unicorn
Creature - Unicorn
Vigilance
Lieutenant -- At the beginning of combat on your turn, if you control your commander, prevent all combat damage that would be dealt to creatures you control this turn. Other creatures you control gain vigilance until end of turn.
3 /
4
{U}{U}
Muddle the Mixture
Instant
Counter target instant or sorcery spell.
Transmute {1}{U}{U} ({1}{U}{U}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)
{1}{W}{B}
Nalia de'Arnise
Legendary Creature - Human Rogue
You may look at the top card of your library any time.
You may cast Cleric, Rogue, Warrior, and Wizard spells from the top of your library.
At the beginning of combat on your turn, if you have a full party, put a +1/+1 counter on each creature you control and those creatures gain deathtouch until end of turn.
3 /
3
{4}{B}{B}
Nightmare Moon
Legendary Creature - Alicorn
Flying
As long as it's nighttime, Nightmare Moon gets +2/+2 and has menace.
{6}: Transform Nightmare Moon. Anypony may activate this ability or help pay the cost. When they do, they become your friend.
6 /
6
--
Princess Luna
Legendary Creature - Alicorn
Flying
When this creature transforms into Princess Luna, choose up to six cards you own from outside the game with a moon in their art, then exile those cards. As long as those cards remain exiled, you may cast them, and your friends may cast them with your permission. (Gifts are appreciated.)
6 /
6
{1}{B/R}{R}{R/G}
Ognis, the Dragon's Lash
Legendary Creature - Viashino Warrior
Haste
Whenever a creature you control with haste attacks, create a tapped Treasure token.
3 /
3
{W}
Path to Exile
Instant
Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.
{R}{W}
Pinkie Pie
Legendary Creature - Pony
Whenever you cast a spell with a smile in its art, create a tapped Treasure token.
Everypony's Invited -- Your party consists of each creature you control, and your party is always full.
2 /
2
{W}{U}
Princess Twilight Sparkle
Legendary Creature - Alicorn
Flying
Other Alicorns, Horses, Pegasi, Ponies, and Unicorns you control get +1/+1.
{W}{U}{B}{R}{G}: If you control Applejack, Fluttershy, Pinkie Pie, Rainbow Dash, and Rarity, everypony wins the game.
2 /
2
{1}{R}{W}
Rainbow Dash
Legendary Creature - Pegasus
Flying, haste
Whenever a creature you control with flying and/or haste attacks, you get 20% cooler. (You start at 0% coolness.)
Sonic Rainboom -- {T}: If you're at least 100% cool, add {W}{U}{B}{R}{G}, draw a card, and reset your coolness.
2 /
2
{1}{W}{U}
Rarity
Legendary Creature - Unicorn
Rare and mythic rare spells you cast cost {1} less to cast.
{1}, {T}, Reveal a My Little Pony® toy you own: Until end of turn, another target creature gains protection from each color in that toy's coat, mane, and outfit.
2 /
2
{1}{W}
Regal Bunnicorn
Creature - Rabbit Unicorn
Regal Bunnicorn's power and toughness are each equal to the number of nonland permanents you control.
* /
*
{2}{R}
Rising of the Day
Enchantment
Creatures you control have haste.
Legendary creatures you control get +1/+0.
{3}{R}{W}
Shadowfax, Lord of Horses
Legendary Creature - Horse
Horses you control have haste. (They can attack and {T} as soon as they come under your control.)
Whenever Shadowfax, Lord of Horses attacks, you may put a creature card with lesser power from your hand onto the battlefield tapped and attacking.
4 /
4
{X}{R}
Song of Totentanz
Sorcery
Create X 1/1 black Rat creature tokens with "This creature can't block." Creatures you control gain haste until end of turn.
{3}{W}
Squad Commander
Creature - Kor Warrior
When Squad Commander enters the battlefield, create a 1/1 white Kor Warrior creature token for each creature in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)
At the beginning of combat on your turn, if you have a full party, creatures you control get +1/+0 and gain indestructible until end of turn.
3 /
3
{8}{W}{W}
Storm Herd
Sorcery
Create X 1/1 white Pegasus creature tokens with flying, where X is your life total.
{2}{W}
Stroke of Midnight
Instant
Destroy target nonland permanent. Its controller creates a 1/1 white Human creature token.
{X}{R}
Tempt with Vengeance
Sorcery
Tempting offer -- Create X 1/1 red Elemental creature tokens with haste. Each opponent may create X 1/1 red Elemental creature tokens with haste. For each opponent who does, create X 1/1 red Elemental creature tokens with haste.
{3}{W}
Teshar, Ancestor's Apostle
Legendary Creature - Bird Cleric
Flying
Whenever you cast a historic spell, return target creature card with mana value 3 or less from your graveyard to the battlefield. (Artifacts, legendaries, and Sagas are historic.)
2 /
2
{X}{G}{G}
Uncage the Menagerie
Sorcery
Search your library for up to X creature cards with different names that each have mana value X, reveal them, put them into your hand, then shuffle.
{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
{B}
Vampiric Tutor
Instant
Search your library for a card, then shuffle and put that card on top. You lose 2 life.
{1}{R}{W}
Venerable Warsinger
Creature - Spirit Cleric
Vigilance, trample
Whenever Venerable Warsinger deals combat damage to a player, you may return target creature card with mana value X or less from your graveyard to the battlefield, where X is the amount of damage Venerable Warsinger dealt to that player.
3 /
3
{2}{B}{B}
Whip of Erebos
Legendary Enchantment Artifact
Creatures you control have lifelink.
{2}{B}{B}, {T}: Return target creature card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step. If it would leave the battlefield, exile it instead of putting it anywhere else. Activate only as a sorcery.
{3}{U}
Wonder
Creature - Incarnation
Flying
As long as Wonder is in your graveyard and you control an Island, creatures you control have flying.
2 /
2
{G}
Worldly Tutor
Instant
Search your library for a creature card, reveal it, then shuffle and put the card on top.
{4}{B}{R}
Zagras, Thief of Heartbeats
Legendary Creature - Vampire Rogue
This spell costs {1} less to cast for each creature in your party.
Flying, deathtouch, haste
Other creatures you control have deathtouch.
Whenever a creature you control deals combat damage to a planeswalker, destroy that planeswalker.
4 /
4
{W}{B}
Castigate
Sorcery
Target opponent reveals their hand. You choose a nonland card from it and exile that card.
{4}{U}{U}
Deadeye Navigator
Creature - Spirit
Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.)
As long as Deadeye Navigator is paired with another creature, each of those creatures has "{1}{U}: Exile this creature, then return it to the battlefield under your control."
5 /
5
{U}{B}
Disciple of Deceit
Creature - Human Rogue
Inspired -- Whenever Disciple of Deceit becomes untapped, you may discard a nonland card. If you do, search your library for a card with the same mana value as that card, reveal it, put it into your hand, then shuffle.
1 /
3
{2}{U}
Imprisoned in the Moon
Enchantment - Aura
Enchant creature, land, or planeswalker
Enchanted permanent is a colorless land with "{T}: Add {C}" and loses all other card types and abilities.
{4}{W}{B}
Merciless Eviction
Sorcery
Choose one --
• Exile all artifacts.
• Exile all creatures.
• Exile all enchantments.
• Exile all planeswalkers.
{4}
Moonsilver Spear
Artifact - Equipment
Equipped creature has first strike.
Whenever equipped creature attacks, create a 4/4 white Angel creature token with flying.