As an additional cost to cast this spell, discard X cards.
Look at target opponent's hand and choose X cards from it. That player discards those cards.
{2}{R}
Aggravated Assault
Enchantment
{3}{R}{R}: Untap all creatures you control. After this main phase, there is an additional combat phase followed by an additional main phase. Activate only as a sorcery.
{3}{G}{G}
Ant Queen
Creature - Insect
{1}{G}: Create a 1/1 green Insect creature token.
5 /
5
{G}
Arbor Elf
Creature - Elf Druid
{T}: Untap target Forest.
1 /
1
{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.
{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}{G}
Beast Whisperer
Creature - Elf Druid
Whenever you cast a creature spell, draw a card.
2 /
3
{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.
{6}{R}{R}
Bogardan Hellkite
Creature - Dragon
Flash
Flying
When Bogardan Hellkite enters the battlefield, it deals 5 damage divided as you choose among any number of targets.
5 /
5
--
Cinder Glade
Land - Mountain Forest
({T}: Add {R} or {G}.)
Cinder Glade enters the battlefield tapped unless you control two or more basic lands.
{4}{G}{G}
Collective Unconscious
Sorcery
Draw a card for each creature you control.
{1}{G}
Collector Ouphe
Creature - Ouphe
Activated abilities of artifacts can't be activated.
2 /
2
{2}{R}
Combat Celebrant
Creature - Human Warrior
If Combat Celebrant hasn't been exerted this turn, you may exert it as it attacks. When you do, untap all other creatures you control and after this phase, there is an additional combat phase. (An exerted creature won't untap during your next untap step.)
4 /
1
--
Cragcrown Pathway
Land
{T}: Add {R}.
--
Timbercrown Pathway
Land
{T}: Add {G}.
{5}{G}{G}{G}
Craterhoof Behemoth
Creature - Beast
Haste
When Craterhoof Behemoth enters the battlefield, creatures you control gain trample and get +X/+X until end of turn, where X is the number of creatures you control.
5 /
5
{8}{R}{R}
Decree of Annihilation
Sorcery
Exile all artifacts, creatures, and lands from the battlefield, all cards from all graveyards, and all cards from all hands.
Cycling {5}{R}{R} ({5}{R}{R}, Discard this card: Draw a card.)
When you cycle Decree of Annihilation, destroy all lands.
{1}{R}{G}
Domri, Anarch of Bolas
Legendary Planeswalker - Domri
Creatures you control get +1/+0.
+1: Add {R} or {G}. Creature spells you cast this turn can't be countered.
-2: Target creature you control fights target creature you don't control.
L:
3
{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
{1}{G}{G}
Druids' Repository
Enchantment
Whenever a creature you control attacks, put a charge counter on Druids' Repository.
Remove a charge counter from Druids' Repository: Add one mana of any color.
--
Dryad Arbor
Land Creature - Forest Dryad
(Dryad Arbor isn't a spell, it's affected by summoning sickness, and it has "{T}: Add {G}.")
1 /
1
{G}
Elvish Mystic
Creature - Elf Druid
{T}: Add {G}.
1 /
1
{2}{G}
Fierce Empath
Creature - Elf
When Fierce Empath enters the battlefield, you may search your library for a creature card with mana value 6 or greater, reveal it, put it into your hand, then shuffle.
1 /
1
{X}{G}{G}
Finale of Devastation
Sorcery
Search your library and/or graveyard for a creature card with mana value X or less and put it onto the battlefield. If you search your library this way, shuffle. If X is 10 or more, creatures you control get +X/+X and gain haste until end of turn.
--
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}.)
--
Forgotten Cave
Land
Forgotten Cave enters the battlefield tapped.
{T}: Add {R}.
Cycling {R} ({R}, Discard this card: Draw a card.)
--
Gaea's Cradle
Legendary Land
{T}: Add {G} for each creature you control.
{X}{G}{G}{G}
Genesis Wave
Sorcery
Reveal the top X cards of your library. You may put any number of permanent cards with mana value X or less from among them onto the battlefield. Then put all cards revealed this way that weren't put onto the battlefield into your graveyard.
{R}{G}
Goblin Anarchomancer
Creature - Goblin Shaman
Each spell you cast that's red or green costs {1} less to cast.
2 /
2
{1}{R}
Goblin Bombardment
Enchantment
Sacrifice a creature: Goblin Bombardment deals 1 damage to any target.
{R}
Goblin Bushwhacker
Creature - Goblin Warrior
Kicker {R} (You may pay an additional {R} as you cast this spell.)
When Goblin Bushwhacker enters the battlefield, if it was kicked, creatures you control get +1/+0 and gain haste until end of turn.
1 /
1
{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
{5}{R}{G}
Gruul Ragebeast
Creature - Beast
Whenever Gruul Ragebeast or another creature enters the battlefield under your control, that creature fights target creature an opponent controls.
6 /
6
--
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}.
{3}{G}
Guardian Project
Enchantment
Whenever a nontoken creature enters the battlefield under your control, if it doesn't have the same name as another creature you control or a creature card in your graveyard, draw a card.
--
Hall of the Bandit Lord
Legendary Land
Hall of the Bandit Lord enters the battlefield tapped.
{T}, Pay 3 life: Add {C}. If that mana is spent on a creature spell, it gains haste.
{4}{R}{R}
Hellkite Charger
Creature - Dragon
Flying, haste
Whenever Hellkite Charger attacks, you may pay {5}{R}{R}. If you do, untap all attacking creatures and after this phase, there is an additional combat phase.
5 /
5
{2}{R}{R}
Hellrider
Creature - Devil
Haste
Whenever a creature you control attacks, Hellrider deals 1 damage to the player or planeswalker it's attacking.
3 /
3
{1}{G}
Heroic Intervention
Instant
Permanents you control gain hexproof and indestructible until end of turn.
{6}{G}{G}
Kamahl, Heart of Krosa
Legendary Creature - Human Druid
At the beginning of combat on your turn, creatures you control get +3/+3 and gain trample until end of turn.
{1}{G}: Until end of turn, target land you control becomes a 1/1 Elemental creature with vigilance, indestructible, and haste. It's still a land.
Partner (You can have two commanders if both have partner.)
5 /
5
--
Kessig Wolf Run
Land
{T}: Add {C}.
{X}{R}{G}, {T}: Target creature gets +X/+0 and gains trample until end of turn.
{3}
Lifecrafter's Bestiary
Artifact
At the beginning of your upkeep, scry 1.
Whenever you cast a creature spell, you may pay {G}. If you do, draw a card.
{2}{R}
Magus of the Moon
Creature - Human Wizard
Nonbasic lands are Mountains.
2 /
2
{2}{R}{G}
Mina and Denn, Wildborn
Legendary Creature - Elf Ally
You may play an additional land on each of your turns.
{R}{G}, Return a land you control to its owner's hand: Target creature gains trample until end of turn.
4 /
4
--
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}.)
{2}{G}{G}
Natural Order
Sorcery
As an additional cost to cast this spell, sacrifice a green creature.
Search your library for a green creature card, put it onto the battlefield, then shuffle.
{1}{G}
Nature's Lore
Sorcery
Search your library for a Forest card, put that card onto the battlefield, then shuffle.
{3}{R}{R}
Neheb, the Eternal
Legendary Creature - Zombie Minotaur Warrior
Afflict 3 (Whenever this creature becomes blocked, defending player loses 3 life.)
At the beginning of your postcombat main phase, add {R} for each 1 life your opponents have lost this turn.
4 /
6
{3}{G}{G}
Ohran Frostfang
Snow Creature - Snake
Attacking creatures you control have deathtouch.
Whenever a creature you control deals combat damage to a player, draw a card.
2 /
6
{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
{1}{G}
Quirion Elves
Creature - Elf Druid
As Quirion Elves enters the battlefield, choose a color.
{T}: Add {G}.
{T}: Add one mana of the chosen color.
1 /
1
{R}{G}
Radha, Heir to Keld
Legendary Creature - Elf Warrior
Whenever Radha, Heir to Keld attacks, you may add {R}{R}.
{T}: Add {G}.
2 /
2
{2}{R}
Rampaging Ferocidon
Creature - Dinosaur
Menace
Players can't gain life.
Whenever another creature enters the battlefield, Rampaging Ferocidon deals 1 damage to that creature's controller.
3 /
3
{2}{G}
Reclamation Sage
Creature - Elf Shaman
When Reclamation Sage enters the battlefield, you may destroy target artifact or enchantment.
2 /
1
{1}{R}{G}
Rhythm of the Wild
Enchantment
Creature spells you control can't be countered.
Nontoken creatures you control have riot. (They enter the battlefield with your choice of a +1/+1 counter or haste.)
{4}{G}{G}
Rishkar's Expertise
Sorcery
Draw cards equal to the greatest power among creatures you control.
You may cast a spell with mana value 5 or less from your hand without paying its mana cost.
--
Rootbound Crag
Land
Rootbound Crag enters the battlefield tapped unless you control a Mountain or a Forest.
{T}: Add {R} or {G}.
{4}{R}{G}
Ruric Thar, the Unbowed
Legendary Creature - Ogre Warrior
Vigilance, reach
Ruric Thar, the Unbowed attacks each combat if able.
Whenever a player casts a noncreature spell, Ruric Thar deals 6 damage to that player.
6 /
6
{3}{R}{R}
Savage Beating
Instant
Cast this spell only during your turn and only during combat.
Choose one --
• Creatures you control gain double strike until end of turn.
• Untap all creatures you control. After this phase, there is an additional combat phase.
Entwine {1}{R} (Choose both if you pay the entwine cost.)
{1}{G}
Scavenging Ooze
Creature - Ooze
{G}: Exile target card from a graveyard. If it was a creature card, put a +1/+1 counter on Scavenging Ooze and you gain 1 life.
2 /
2
--
Skarrg, the Rage Pits
Land
{T}: Add {C}.
{R}{G}, {T}: Target creature gets +1/+1 and gains trample until end of turn.
{1}
Skullclamp
Artifact - Equipment
Equipped creature gets +1/-1.
Whenever equipped creature dies, draw two cards.
Equip {1}
{3}{G}
Skyshroud Claim
Sorcery
Search your library for up to two Forest cards, put them onto the battlefield, then shuffle.
--
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.
{1}{G}
Survival of the Fittest
Enchantment
{G}, Discard a creature card: Search your library for a creature card, reveal that card, put it into your hand, then shuffle.
{3}
Sword of Fire and Ice
Artifact - Equipment
Equipped creature gets +2/+2 and has protection from red and from blue.
Whenever equipped creature deals combat damage to a player, Sword of Fire and Ice deals 2 damage to any target and you draw a card.
Equip {2}
{1}{G}
Sylvan Library
Enchantment
At the beginning of your draw step, you may draw two additional cards. If you do, choose two cards in your hand drawn this turn. For each of those cards, pay 4 life or put the card on top of your library.
{G}
Sylvan Safekeeper
Creature - Human Wizard
Sacrifice a land: Target creature you control gains shroud until end of turn. (It can't be the target of spells or abilities.)
1 /
1
{X}{R}{R}
Tectonic Break
Sorcery
Each player sacrifices X lands.
--
Temple of Abandon
Land
Temple of Abandon enters the battlefield tapped.
When Temple of Abandon enters the battlefield, scry 1.
{T}: Add {R} or {G}.
{7}{G}{G}
The Great Henge
Legendary Artifact
This spell costs {X} less to cast, where X is the greatest power among creatures you control.
{T}: Add {G}{G}. You gain 2 life.
Whenever a nontoken creature enters the battlefield under your control, put a +1/+1 counter on it and draw a card.
{1}{G}
Three Visits
Sorcery
Search your library for a Forest card, put it onto the battlefield, then shuffle.
{1}{R}
Tilonalli's Summoner
Creature - Human Shaman
Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)
Whenever Tilonalli's Summoner attacks, you may pay {X}{R}. If you do, create X 1/1 red Elemental creature tokens that are tapped and attacking. At the beginning of the next end step, exile those tokens unless you have the city's blessing.
1 /
1
{3}{G}
Toski, Bearer of Secrets
Legendary Creature - Squirrel
This spell can't be countered.
Indestructible
Toski, Bearer of Secrets attacks each combat if able.
Whenever a creature you control deals combat damage to a player, draw a card.
1 /
1
--
Tranquil Thicket
Land
Tranquil Thicket enters the battlefield tapped.
{T}: Add {G}.
Cycling {G} ({G}, Discard this card: Draw a card.)
{2}{G}{G}
Triumph of the Hordes
Sorcery
Until end of turn, creatures you control get +1/+1 and gain trample and infect. (Creatures with infect deal damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
{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
--
Valakut, the Molten Pinnacle
Land
Valakut, the Molten Pinnacle enters the battlefield tapped.
Whenever a Mountain enters the battlefield under your control, if you control at least five other Mountains, you may have Valakut, the Molten Pinnacle deal 3 damage to any target.
{T}: Add {R}.
{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
{6}{G}{G}
Vorinclex, Voice of Hunger
Legendary Creature - Phyrexian Praetor
Trample
Whenever you tap a land for mana, add one mana of any type that land produced.
Whenever an opponent taps a land for mana, that land doesn't untap during its controller's next untap step.
7 /
6
{2}{R}
War Cadence
Enchantment
{X}{R}: This turn, creatures can't block unless their controller pays {X} for each blocking creature they control.
{2}{G}
Wood Elves
Creature - Elf Scout
When Wood Elves enters the battlefield, search your library for a Forest card, put that card onto the battlefield, then shuffle.
1 /
1
--
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.