Reveal the top X cards of your library. Put all land cards from among them onto the battlefield tapped and the rest on the bottom of your library in a random order.
Spell mastery -- If there are two or more instant and/or sorcery cards in your graveyard, untap those lands.
{2}{G}{G}
Arasta of the Endless Web
Legendary Enchantment Creature - Spider
Reach
Whenever an opponent casts an instant or sorcery spell, create a 1/2 green Spider creature token with reach.
3 /
5
{2}
Arcane Signet
Artifact
{T}: Add one mana of any color in your commander's color identity.
{R}{G}
Artifact Mutation
Instant
Destroy target artifact. It can't be regenerated. Create X 1/1 green Saproling creature tokens, where X is that artifact's mana value.
{X}{X}{X}
Astral Cornucopia
Artifact
Astral Cornucopia enters the battlefield with X charge counters on it.
{T}: Choose a color. Add one mana of that color for each charge counter on Astral Cornucopia.
{5}{G}{G}
Avenger of Zendikar
Creature - Elemental
When Avenger of Zendikar enters the battlefield, create a 0/1 green Plant creature token for each land you control.
Landfall -- Whenever a land enters the battlefield under your control, you may put a +1/+1 counter on each Plant creature you control.
5 /
5
{2}{G}
Awakening Zone
Enchantment
At the beginning of your upkeep, you may create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice this creature: Add {C}."
{X}{R}
Banefire
Sorcery
Banefire deals X damage to any target.
If X is 5 or more, this spell can't be countered and the damage can't be prevented.
{1}{R}
Battle Hymn
Instant
Add {R} for each creature you control.
{2}{G}
Beast Within
Instant
Destroy target permanent. Its controller creates a 3/3 green Beast creature token.
{2}{G}
Beastmaster Ascension
Enchantment
Whenever a creature you control attacks, you may put a quest counter on Beastmaster Ascension.
As long as Beastmaster Ascension has seven or more quest counters on it, creatures you control get +5/+5.
{G}
Birds of Paradise
Creature - Bird
Flying
{T}: Add one mana of any color.
0 /
1
{1}{R}
Braid of Fire
Enchantment
Cumulative upkeep--Add {R}. (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.)
{5}{R}
Charmbreaker Devils
Creature - Devil
At the beginning of your upkeep, return an instant or sorcery card at random from your graveyard to your hand.
Whenever you cast an instant or sorcery spell, Charmbreaker Devils gets +4/+0 until end of turn.
4 /
4
--
Cinder Glade
Land - Mountain Forest
({T}: Add {R} or {G}.)
Cinder Glade enters the battlefield tapped unless you control two or more basic lands.
{X}{R}{G}
Clan Defiance
Sorcery
Choose one or more --
• Clan Defiance deals X damage to target creature with flying.
• Clan Defiance deals X damage to target creature without flying.
• Clan Defiance deals X damage to target player or planeswalker.
{X}{R}{R}
Comet Storm
Instant
Multikicker {1} (You may pay an additional {1} any number of times as you cast this spell.)
Choose any target, then choose another target for each time this spell was kicked. Comet Storm deals X damage to each of them.
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
--
Copperline Gorge
Land
Copperline Gorge enters the battlefield tapped unless you control two or fewer other lands.
{T}: Add {R} or {G}.
--
Cragcrown Pathway
Land
{T}: Add {R}.
--
Timbercrown Pathway
Land
{T}: Add {G}.
{1}{G}
Cryptolith Rite
Enchantment
Creatures you control have "{T}: Add one mana of any color."
{3}{G}
Defense of the Heart
Enchantment
At the beginning of your upkeep, if an opponent controls three or more creatures, sacrifice Defense of the Heart, search your library for up to two creature cards, put those cards onto the battlefield, then shuffle.
{2}
Doubling Cube
Artifact
{3}, {T}: Double the amount of each type of unspent mana you have.
{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.
{2}{R}{R}{R}{G}
Dragon Broodmother
Creature - Dragon
Flying
At the beginning of each upkeep, create a 1/1 red and green Dragon creature token with flying and devour 2. (As the token enters the battlefield, you may sacrifice any number of creatures. It enters the battlefield with twice that many +1/+1 counters on it.)
4 /
4
{2}{R}{R}{G}{G}
Dragonlair Spider
Creature - Spider
Reach
Whenever an opponent casts a spell, create a 1/1 green Insect creature token.
5 /
6
{5}
Eldrazi Monument
Artifact
Creatures you control get +1/+1 and have flying and indestructible.
At the beginning of your upkeep, sacrifice a creature. If you can't, sacrifice Eldrazi Monument.
{X}{R}{R}
Electrodominance
Instant
Electrodominance deals X damage to any target. You may cast a spell with mana value X or less from your hand without paying its mana cost.
{1}{G}{G}
Eternal Witness
Creature - Human Shaman
When Eternal Witness enters the battlefield, you may return target card from your graveyard to your hand.
2 /
1
{X}{X}{R}
Fall of the Titans
Instant
Surge {X}{R} (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.)
Fall of the Titans deals X damage to each of up to two targets.
{3}{R}{R}{R}
Fiery Emancipation
Enchantment
If a source you control would deal damage to a permanent or player, it deals triple that damage to that permanent or player instead.
{3}{R}{R}
Fire Servant
Creature - Elemental
If a red instant or sorcery spell you control would deal damage, it deals double that damage instead.
4 /
3
--
Fire-Lit Thicket
Land
{T}: Add {C}.
{R/G}, {T}: Add {R}{R}, {R}{G}, or {G}{G}.
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Fungal Reaches
Land
{T}: Add {C}.
{1}, {T}: Put a storage counter on Fungal Reaches.
{1}, Remove X storage counters from Fungal Reaches: Add X mana in any combination of {R} and/or {G}.
--
Gaea's Cradle
Legendary Land
{T}: Add {G} for each creature you control.
--
Game Trail
Land
As Game Trail enters the battlefield, you may reveal a Mountain or Forest card from your hand. If you don't, Game Trail enters the battlefield tapped.
{T}: Add {R} or {G}.
{2}{R}{G}
Grand Warlord Radha
Legendary Creature - Elf Warrior
Haste
Whenever one or more creatures you control attack, add that much mana in any combination of {R} and/or {G}. Until end of turn, you don't lose this mana as steps and phases end.
3 /
4
{2}{R}{R}{R}
Gratuitous Violence
Enchantment
If a creature you control would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.
{1}{R}{G}
Grumgully, the Generous
Legendary Creature - Goblin Shaman
Each other non-Human creature you control enters the battlefield with an additional +1/+1 counter on it.
3 /
3
{2}
Gruul Signet
Artifact
{1}, {T}: Add {R}{G}.
--
Gruul Turf
Land
Gruul Turf enters the battlefield tapped.
When Gruul Turf enters the battlefield, return a land you control to its owner's hand.
{T}: Add {R}{G}.
{2}{G}
Harvest Season
Sorcery
Search your library for up to X basic land cards, where X is the number of tapped creatures you control, put those cards onto the battlefield tapped, then shuffle.
{R}{G}
Hull Breach
Sorcery
Choose one --
• Destroy target artifact.
• Destroy target enchantment.
• Destroy target artifact and target enchantment.
{4}{R}{R}
Inescapable Blaze
Instant
This spell can't be countered.
Inescapable Blaze deals 6 damage to any target.
{X}{R}{R}
Jaya's Immolating Inferno
Legendary Sorcery
(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.)
Jaya's Immolating Inferno deals X damage to each of up to three targets.
--
Karplusan Forest
Land
{T}: Add {C}.
{T}: Add {R} or {G}. Karplusan Forest deals 1 damage to you.
{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
{2}{R}
Krenko, Tin Street Kingpin
Legendary Creature - Goblin
Whenever Krenko, Tin Street Kingpin attacks, put a +1/+1 counter on it, then create a number of 1/1 red Goblin creature tokens equal to Krenko's power.
1 /
2
{1}{G}
Leafkin Druid
Creature - Elemental Druid
{T}: Add {G}. If you control four or more creatures, add {G}{G} instead.
0 /
3
{2}{R}{R}
Leyline Tyrant
Creature - Dragon
Flying
You don't lose unspent red mana as steps and phases end.
When Leyline Tyrant dies, you may pay any amount of {R}. When you do, it deals that much damage to any target.
4 /
4
{G}
Llanowar Elves
Creature - Elf Druid
{T}: Add {G}.
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}.)
{4}{G}{G}{G}
Nyxbloom Ancient
Enchantment Creature - Elemental
Trample
If you tap a permanent for mana, it produces three times as much of that mana instead.
5 /
5
{2}{G}
Omnath, Locus of Mana
Legendary Creature - Elemental
You don't lose unspent green mana as steps and phases end.
Omnath, Locus of Mana gets +1/+1 for each unspent green mana you have.
1 /
1
{3}{R}{R}{G}{G}
Omnath, Locus of Rage
Legendary Creature - Elemental
Landfall -- Whenever a land enters the battlefield under your control, create a 5/5 red and green Elemental creature token.
Whenever Omnath, Locus of Rage or another Elemental you control dies, Omnath deals 3 damage to any target.
5 /
5
{1}{G}
Paradise Druid
Creature - Elf Druid
Paradise Druid has hexproof as long as it's untapped. (It can't be the target of spells or abilities your opponents control.)
{T}: Add one mana of any color.
2 /
1
{3}{G}
Parallel Lives
Enchantment
If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.
{4}{R}{G}
Phylath, World Sculptor
Legendary Creature - Elemental
When Phylath, World Sculptor enters the battlefield, create a 0/1 green Plant creature token for each basic land you control.
Landfall -- Whenever a land enters the battlefield under your control, put four +1/+1 counters on target Plant you control.
5 /
5
{4}
Primal Amulet
Artifact
Instant and sorcery spells you cast cost {1} less to cast.
Whenever you cast an instant or sorcery spell, put a charge counter on Primal Amulet. Then if there are four or more charge counters on it, you may remove those counters and transform it.
--
Primal Wellspring
Land
(Transforms from Primal Amulet.)
{T}: Add one mana of any color. When that mana is spent to cast an instant or sorcery spell, copy that spell and you may choose new targets for the copy.
{4}{G}
Primal Vigor
Enchantment
If one or more tokens would be created, twice that many of those tokens are created instead.
If one or more +1/+1 counters would be put on a creature, twice that many +1/+1 counters are put on that creature instead.
{3}{R}
Purphoros, God of the Forge
Legendary Enchantment Creature - God
Indestructible
As long as your devotion to red is less than five, Purphoros isn't a creature.
Whenever another creature enters the battlefield under your control, Purphoros deals 2 damage to each opponent.
{2}{R}: Creatures you control get +1/+0 until end of turn.
6 /
5
--
Rootbound Crag
Land
Rootbound Crag enters the battlefield tapped unless you control a Mountain or a Forest.
{T}: Add {R} or {G}.
{3}{R/G}
Rosheen Meanderer
Legendary Creature - Giant Shaman
{T}: Add {C}{C}{C}{C}. Spend this mana only on costs that contain {X}.
4 /
4
{1}{G}
Sakura-Tribe Elder
Creature - Snake Shaman
Sacrifice Sakura-Tribe Elder: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
1 /
1
{1}
Skullclamp
Artifact - Equipment
Equipped creature gets +1/-1.
Whenever equipped creature dies, draw two cards.
Equip {1}
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
--
Spire Garden
Land
Spire Garden enters the battlefield tapped unless you have two or more opponents.
{T}: Add {R} or {G}.
--
Stomping Ground
Land - Mountain Forest
({T}: Add {R} or {G}.)
As Stomping Ground enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
{G}
Sylvan Tutor
Sorcery
Search your library for a creature card, reveal it, then shuffle and put that card on top.
--
Taiga
Land - Mountain Forest
({T}: Add {R} or {G}.)
{3}
Twinning Staff
Artifact
If you would copy a spell one or more times, instead copy it that many times plus an additional time. You may choose new targets for the additional copy.
{7}, {T}: Copy target instant or sorcery spell you control. You may choose new targets for the copy.
{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
--
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.
{G}
Worldly Tutor
Instant
Search your library for a creature card, reveal it, then shuffle and put the card on top.
{4}{R/G}{R/G}
Wort, the Raidmother
Legendary Creature - Goblin Shaman
When Wort, the Raidmother enters the battlefield, create two 1/1 red and green Goblin Warrior creature tokens.
Each red or green instant or sorcery spell you cast has conspire. (As you cast the spell, you may tap two untapped creatures you control that share a color with it. When you do, copy it and you may choose new targets for the copy.)
3 /
3
{2}{R}{G}
Xenagos, the Reveler
Legendary Planeswalker - Xenagos
+1: Add X mana in any combination of {R} and/or {G}, where X is the number of creatures you control.
0: Create a 2/2 red and green Satyr creature token with haste.
-6: Exile the top seven cards of your library. You may put any number of creature and/or land cards from among them onto the battlefield.
L:
3
{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
{R}{G}
Zhur-Taa Druid
Creature - Human Druid
{T}: Add {G}.
Whenever you tap Zhur-Taa Druid for mana, it deals 1 damage to each opponent.