Any player may cast creature spells with mana value 3 or less without paying their mana costs and as though they had flash.
{2}
Anvil of Bogardan
Artifact
Players have no maximum hand size.
At the beginning of each player's draw step, that player draws an additional card, then discards a card.
{4}{U}
Arcane Melee
Enchantment
Instant and sorcery spells cost {2} less to cast.
{1}{B}{G}{U}
Archelos, Lagoon Mystic
Legendary Creature - Turtle Shaman
As long as Archelos, Lagoon Mystic is tapped, other permanents enter the battlefield tapped.
As long as Archelos is untapped, other permanents enter the battlefield untapped.
2 /
4
{2}{W}
Armor Sliver
Creature - Sliver
All Sliver creatures have "{2}: This creature gets +0/+1 until end of turn."
2 /
2
{B}{G}
Assassin's Trophy
Instant
Destroy target permanent an opponent controls. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.
{5}{W}{W}{W}
Avacyn, Angel of Hope
Legendary Creature - Angel
Flying, vigilance, indestructible
Other permanents you control have indestructible.
8 /
8
{2}{B}
Basal Sliver
Creature - Sliver
All Slivers have "Sacrifice this permanent: Add {B}{B}."
2 /
2
{5}{W}
Beacon of Immortality
Instant
Double target player's life total. Shuffle Beacon of Immortality into its owner's library.
{5}
Blinkmoth Urn
Artifact
At the beginning of each player's precombat main phase, if Blinkmoth Urn is untapped, that player adds {C} for each artifact they control.
{2}{U}{U}
Braids, Conjurer Adept
Legendary Creature - Human Wizard
At the beginning of each player's upkeep, that player may put an artifact, creature, or land card from their hand onto the battlefield.
2 /
2
{4}{G}
Brood Sliver
Creature - Sliver
Whenever a Sliver deals combat damage to a player, its controller may create a 1/1 colorless Sliver creature token.
3 /
3
{1}{B}
Clot Sliver
Creature - Sliver
All Slivers have "{2}: Regenerate this permanent."
1 /
1
{B}{G}
Darkheart Sliver
Creature - Sliver
All Slivers have "Sacrifice this permanent: You gain 3 life."
2 /
2
{3}{G}{G}
Dictate of Karametra
Enchantment
Flash
Whenever a player taps a land for mana, that player adds one mana of any type that land produced.
{1}{U}{U}
Dictate of Kruphix
Enchantment
Flash
At the beginning of each player's draw step, that player draws an additional card.
{6}{R}
Divergent Transformations
Instant
Undaunted (This spell costs {1} less to cast for each opponent.)
Exile two target creatures. For each of those creatures, its controller reveals cards from the top of their library until they reveal a creature card, puts that card onto the battlefield, then shuffles the rest into their library.
{1}{U}
Dramatic Reversal
Instant
Untap all nonland permanents you control.
{1}{G}{U}
Edric, Spymaster of Trest
Legendary Creature - Elf Rogue
Whenever a creature deals combat damage to one of your opponents, its controller may draw a card.
2 /
2
{G}
Eladamri's Vineyard
Enchantment
At the beginning of each player's precombat main phase, that player adds {G}{G}.
{3}{U}
Elite Arcanist
Creature - Human Wizard
When Elite Arcanist enters the battlefield, you may exile an instant card from your hand.
{X}, {T}: Copy the exiled card. You may cast the copy without paying its mana cost. X is the mana value of the exiled card.
1 /
1
{5}{W}{U}
Emergency Powers
Instant
Each player shuffles their hand and graveyard into their library, then draws seven cards. Exile Emergency Powers.
Addendum -- If you cast this spell during your main phase, you may put a permanent card with mana value 7 or less from your hand onto the battlefield.
{3}{W}
Essence Sliver
Creature - Sliver
Whenever a Sliver deals damage, its controller gains that much life.
3 /
3
{U}
Field of Dreams
World Enchantment
Players play with the top card of their libraries revealed.
{1}{W}
Flicker of Fate
Instant
Exile target creature or enchantment, then return it to the battlefield under its owner's control.
{G}
Fog
Instant
Prevent all combat damage that would be dealt this turn.
{4}
Font of Mythos
Artifact
At the beginning of each player's draw step, that player draws two additional cards.
{4}{U}{U}
Forced Fruition
Enchantment
Whenever an opponent casts a spell, that player draws seven cards.
{3}{W}{U}
Fractured Identity
Sorcery
Exile target nonland permanent. Each player other than its controller creates a token that's a copy of it.
{1}{U}{R}
Frenetic Sliver
Creature - Sliver
All Slivers have "{0}: If this permanent is on the battlefield, flip a coin. If you win the flip, exile this permanent and return it to the battlefield under its owner's control at the beginning of the next end step. If you lose the flip, sacrifice it."
2 /
2
{3}{G}
Fungus Sliver
Creature - Fungus Sliver
All Sliver creatures have "Whenever this creature is dealt damage, put a +1/+1 counter on it." (It must survive the damage to get the counter.)
2 /
2
{6}
Gate to the Aether
Artifact
At the beginning of each player's upkeep, that player reveals the top card of their library. If it's an artifact, creature, enchantment, or land card, the player may put it onto the battlefield.
{1}{G}
Gemhide Sliver
Creature - Sliver
All Slivers have "{T}: Add one mana of any color."
1 /
1
{2}
Genesis Chamber
Artifact
Whenever a nontoken creature enters the battlefield, if Genesis Chamber is untapped, that creature's controller creates a 1/1 colorless Myr artifact creature token.
{4}
Ghirapur Orrery
Artifact
Each player may play an additional land on each of their turns.
At the beginning of each player's upkeep, if that player has no cards in hand, that player draws three cards.
{2}{G}
Heartbeat of Spring
Enchantment
Whenever a player taps a land for mana, that player adds one mana of any type that land produced.
{2}
Helm of Awakening
Artifact
Spells cost {1} less to cast.
{3}
Horn of Greed
Artifact
Whenever a player plays a land, that player draws a card.
{2}
Howling Mine
Artifact
At the beginning of each player's draw step, if Howling Mine is untapped, that player draws an additional card.
{3}{U}{U}
Inexorable Tide
Enchantment
Whenever you cast a spell, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
{2}
Isochron Scepter
Artifact
Imprint -- When Isochron Scepter enters the battlefield, you may exile an instant card with mana value 2 or less from your hand.
{2}, {T}: You may copy the exiled card. If you do, you may cast the copy without paying its mana cost.
{3}{U}{U}
Jace, Memory Adept
Legendary Planeswalker - Jace
+1: Draw a card. Target player mills a card.
0: Target player mills ten cards.
-7: Any number of target players each draw twenty cards.
L:
4
{U}{U}
Kami of the Crescent Moon
Legendary Creature - Spirit
At the beginning of each player's draw step, that player draws an additional card.
1 /
3
{1}{W}{U}{B}{R}{G}
Karona, False God
Legendary Creature - Avatar
Haste
At the beginning of each player's upkeep, that player untaps Karona, False God and gains control of it.
Whenever Karona attacks, creatures of the creature type of your choice get +3/+3 until end of turn.
5 /
5
{4}{W}
Kenrith, the Returned King
Legendary Creature - Human Noble
{R}: All creatures gain trample and haste until end of turn.
{1}{G}: Put a +1/+1 counter on target creature.
{2}{W}: Target player gains 5 life.
{3}{U}: Target player draws a card.
{4}{B}: Put target creature card from a graveyard onto the battlefield under its owner's control.
5 /
5
{R}{G}{W}{U}
Kynaios and Tiro of Meletis
Legendary Creature - Human Soldier
At the beginning of your end step, draw a card. Each player may put a land card from their hand onto the battlefield, then each opponent who didn't draws a card.
2 /
8
{2}{W}{W}
Leyline of Sanctity
Enchantment
If Leyline of Sanctity is in your opening hand, you may begin the game with it on the battlefield.
You have hexproof. (You can't be the target of spells or abilities your opponents control.)
{3}{B}{B}{B}
Lich's Mastery
Legendary Enchantment
Hexproof
You can't lose the game.
Whenever you gain life, draw that many cards.
Whenever you lose life, for each 1 life you lost, exile a permanent you control or a card from your hand or graveyard.
When Lich's Mastery leaves the battlefield, you lose the game.
{2}{G}{G}
Living Plane
World Enchantment
All lands are 1/1 creatures that are still lands.
{4}{W}
Lymph Sliver
Creature - Sliver
All Sliver creatures have absorb 1. (If a source would deal damage to a Sliver, prevent 1 of that damage.)
3 /
3
{G}
Magus of the Vineyard
Creature - Human Wizard
At the beginning of each player's precombat main phase, that player adds {G}{G}.
1 /
1
{2}{R}
Mana Flare
Enchantment
Whenever a player taps a land for mana, that player adds one mana of any type that land produced.
{3}
Manascape Refractor
Artifact
Manascape Refractor enters the battlefield tapped.
Manascape Refractor has all activated abilities of all lands on the battlefield.
You may spend mana as though it were mana of any color to pay the activation costs of Manascape Refractor's abilities.
{4}
Maskwood Nexus
Artifact
Creatures you control are every creature type. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.
{3}, {T}: Create a 2/2 blue Shapeshifter creature token with changeling. (It is every creature type.)
{5}
Memory Jar
Artifact
{T}, Sacrifice Memory Jar: Each player exiles all cards from their hand face down and draws seven cards. At the beginning of the next end step, each player discards their hand and returns to their hand each card they exiled this way.
{3}{U}
Mesmeric Sliver
Creature - Sliver
All Slivers have "When this permanent enters the battlefield, you may fateseal 1." (To fateseal 1, its controller looks at the top card of an opponent's library, then they may put that card on the bottom of that library.)
2 /
2
--
Mishra's Workshop
Land
{T}: Add {C}{C}{C}. Spend this mana only to cast artifact spells.
{1}{U}
Mistform Sliver
Creature - Illusion Sliver
All Slivers have "{1}: This permanent becomes the creature type of your choice in addition to its other types until end of turn."
1 /
1
{2}{U}
Mnemonic Sliver
Creature - Sliver
All Slivers have "{2}, Sacrifice this permanent: Draw a card."
2 /
2
{0}
Mox Opal
Legendary Artifact
Metalcraft -- {T}: Add one mana of any color. Activate only if you control three or more artifacts.
{2}{B}{B}
Necrotic Ooze
Creature - Ooze
As long as Necrotic Ooze is on the battlefield, it has all activated abilities of all creature cards in all graveyards.
4 /
3
{2}{U}
Noble Benefactor
Creature - Human Cleric
When Noble Benefactor dies, each player may search their library for a card and put that card into their hand. Then each player who searched their library this way shuffles.
2 /
2
{1}{W}
Oath of Lieges
Enchantment
At the beginning of each player's upkeep, that player chooses target player who controls more lands than they do and is their opponent. The first player may search their library for a basic land card, put that card onto the battlefield, then shuffle.
{1}{U}{B}{R}
Obeka, Brute Chronologist
Legendary Creature - Ogre Wizard
{T}: The player whose turn it is may end the turn. (Exile all spells and abilities from the stack. The player whose turn it is discards down to their maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)
3 /
4
{G}
Old-Growth Dryads
Creature - Dryad
When Old-Growth Dryads enters the battlefield, each opponent may search their library for a basic land card, put it onto the battlefield tapped, then shuffle.
3 /
3
{1}{W}{U}
Opaline Sliver
Creature - Sliver
All Slivers have "Whenever this permanent becomes the target of a spell an opponent controls, you may draw a card."
2 /
2
{1}{R}{G}
Overabundance
Enchantment
Whenever a player taps a land for mana, that player adds one mana of any type that land produced, and Overabundance deals 1 damage to the player.
{0}
Pact of Negation
Instant
Counter target spell.
At the beginning of your next upkeep, pay {3}{U}{U}. If you don't, you lose the game.
{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.
{2}{W}
Poultice Sliver
Creature - Sliver
All Slivers have "{2}, {T}: Regenerate target Sliver." (The next time that Sliver would be destroyed, instead tap it, remove it from combat, and heal all damage on it.)
2 /
2
{2}{G/W}{G/W}{G/W}
Privileged Position
Enchantment
({G/W} can be paid with either {G} or {W}.)
Other permanents you control have hexproof. (They can't be the targets of spells or abilities your opponents control.)
{5}{W}
Protector of the Crown
Creature - Giant Soldier
When Protector of the Crown enters the battlefield, you become the monarch.
All damage that would be dealt to you is dealt to Protector of the Crown instead.
2 /
5
{W}
Pull from Eternity
Instant
Put target face-up exiled card into its owner's graveyard.
{3}{G}
Reflex Sliver
Creature - Sliver
All Sliver creatures have haste.
2 /
2
{G}
Revelation
World Enchantment
Players play with their hands revealed.
{R}{R}
Reverberate
Instant
Copy target instant or sorcery spell. You may choose new targets for the copy.
{2}{G}
Rites of Flourishing
Enchantment
At the beginning of each player's draw step, that player draws an additional card.
Each player may play an additional land on each of their turns.
{3}{G}{G}
Seedborn Muse
Creature - Spirit
Untap all permanents you control during each other player's untap step.
2 /
4
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{3}
Spectral Searchlight
Artifact
{T}: Choose a player. That player adds one mana of any color they choose.
{5}
Storm Cauldron
Artifact
Each player may play an additional land during each of their turns.
Whenever a land is tapped for mana, return it to its owner's hand.
{4}{U}{U}
Sublime Epiphany
Instant
Choose one or more --
• Counter target spell.
• Counter target activated or triggered ability.
• Return target nonland permanent to its owner's hand.
• Create a token that's a copy of target creature you control.
• Target player draws a card.
{3}{U}{U}
Tamiyo, the Moon Sage
Legendary Planeswalker - Tamiyo
+1: Tap target permanent. It doesn't untap during its controller's next untap step.
-2: Draw a card for each tapped creature target player controls.
-8: You get an emblem with "You have no maximum hand size" and "Whenever a card is put into your graveyard from anywhere, you may return it to your hand."
L:
4
{2}{W}
Teferi's Protection
Instant
Until your next turn, your life total can't change and you gain protection from everything. All permanents you control phase out. (While they're phased out, they're treated as though they don't exist. They phase in before you untap during your untap step.)
Exile Teferi's Protection.
{2}{W}
Terra Eternal
Enchantment
All lands have indestructible.
{W}{U}{B}{R}{G}
The First Sliver
Legendary Creature - Sliver
Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.)
Sliver spells you cast have cascade.
7 /
7
{3}{U}
Tidal Barracuda
Creature - Fish
Any player may cast spells as though they had flash.
Your opponents can't cast spells during your turn.
3 /
4
{1}{U}
Trickbind
Instant
Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)
Counter target activated or triggered ability. If a permanent's ability is countered this way, activated abilities of that permanent can't be activated this turn. (Mana abilities can't be targeted.)
{1}{U}
Unifying Theory
Enchantment
Whenever a player casts a spell, that player may pay {2}. If the player does, they draw a card.
{3}{G}
Upwelling
Enchantment
Players don't lose unspent mana as steps and phases end.
{4}
Urza's Filter
Artifact
Multicolored spells cost up to {2} less to cast.
{3}
Urza's Incubator
Artifact
As Urza's Incubator enters the battlefield, choose a creature type.
Creature spells of the chosen type cost {2} less to cast.
{2}{U}{U}
Urza, Lord High Artificer
Legendary Creature - Human Artificer
When Urza, Lord High Artificer enters the battlefield, create a 0/0 colorless Construct artifact creature token with "This creature gets +1/+1 for each artifact you control."
Tap an untapped artifact you control: Add {U}.
{5}: Shuffle your library, then exile the top card. Until end of turn, you may play that card without paying its mana cost.
1 /
4
{G}
Veteran Explorer
Creature - Human Soldier Scout
When Veteran Explorer dies, each player may search their library for up to two basic land cards, put them onto the battlefield, then shuffle.
1 /
1
{R/G}{R/G}
Vexing Shusher
Creature - Goblin Shaman
This spell can't be countered.
{R/G}: Target spell can't be countered.
2 /
2
{3}
Victory Chimes
Artifact
Untap Victory Chimes during each other player's untap step.
{T}: A player of your choice adds {C}.
{G}{W}
Victual Sliver
Creature - Sliver
All Slivers have "{2}, Sacrifice this permanent: You gain 4 life."
2 /
2
{3}
Walking Archive
Artifact Creature - Golem
Defender (This creature can't attack.)
Walking Archive enters the battlefield with a +1/+1 counter on it.
At the beginning of each player's upkeep, that player draws a card for each +1/+1 counter on Walking Archive.
{2}{W}{U}: Put a +1/+1 counter on Walking Archive.
1 /
1
{5}{U}
Well of Ideas
Enchantment
When Well of Ideas enters the battlefield, draw two cards.
At the beginning of each other player's draw step, that player draws an additional card.
At the beginning of your draw step, draw two additional cards.
{3}{R}{G}
Zhur-Taa Ancient
Creature - Beast
Whenever a player taps a land for mana, that player adds one mana of any type that land produced.