Draw cards equal to the number of cards in your hand, then discard a card for each card drawn this way.
Basic landcycling {2} ({2}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)
--
Ancient Tomb
Land
{T}: Add {C}{C}. Ancient Tomb deals 2 damage to you.
{3}{G}
Argothian Elder
Creature - Elf Druid
{T}: Untap two target lands.
2 /
2
{G}
Birds of Paradise
Creature - Bird
Flying
{T}: Add one mana of any color.
0 /
1
{2}{B}{B}
Bloodline Keeper
Creature - Vampire
Flying
{T}: Create a 2/2 black Vampire creature token with flying.
{B}: Transform Bloodline Keeper. Activate only if you control five or more Vampires.
3 /
3
--
Lord of Lineage
Creature - Vampire
Flying
Other Vampire creatures you control get +2/+2.
{T}: Create a 2/2 black Vampire creature token with flying.
3 /
3
{1}{G}
Bloom Tender
Creature - Elf Druid
{T}: For each color among permanents you control, add one mana of that color.
1 /
1
{U}
Brainstorm
Instant
Draw three cards, then put two cards from your hand on top of your library in any order.
--
Breeding Pool
Land - Forest Island
({T}: Add {G} or {U}.)
As Breeding Pool enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
{G}
Burgeoning
Enchantment
Whenever an opponent plays a land, you may put a land card from your hand onto the battlefield.
{2}{B}
Buried Alive
Sorcery
Search your library for up to three creature cards, put them into your graveyard, then shuffle.
{G}
Carpet of Flowers
Enchantment
At the beginning of each of your main phases, if you haven't added mana with this ability this turn, you may add X mana of any one color, where X is the number of Islands target opponent controls.
{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}{B}
Coffin Queen
Creature - Zombie Wizard
You may choose not to untap Coffin Queen during your untap step.
{2}{B}, {T}: Put target creature card from a graveyard onto the battlefield under your control. When Coffin Queen becomes untapped or you lose control of Coffin Queen, exile that creature.
1 /
1
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
{3}{U}
Deep Analysis
Sorcery
Target player draws two cards.
Flashback--{1}{U}, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{1}{B}
Demonic Tutor
Sorcery
Search your library for a card, put that card into your hand, then shuffle.
{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}{B}{B}
Dread Return
Sorcery
Return target creature card from your graveyard to the battlefield.
Flashback--Sacrifice three creatures. (You may cast this card from your graveyard for its flashback cost. Then exile it.)
--
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
{1}{G}
Earthcraft
Enchantment
Tap an untapped creature you control: Untap target basic land.
{G}
Elvish Mystic
Creature - Elf Druid
{T}: Add {G}.
1 /
1
{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
{G}
Exploration
Enchantment
You may play an additional land on each of your turns.
{1}{G}
Fauna Shaman
Creature - Elf Shaman
{G}, {T}, Discard a creature card: Search your library for a creature card, reveal it, put it into your hand, then shuffle.
2 /
2
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
{G}
Fyndhorn Elves
Creature - Elf Druid
{T}: Add {G}.
1 /
1
{3}{B}
Grave Scrabbler
Creature - Zombie
Madness {1}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)
When Grave Scrabbler enters the battlefield, if its madness cost was paid, you may return target creature card from a graveyard to its owner's hand.
2 /
2
{X}{G}
Green Sun's Zenith
Sorcery
Search your library for a green creature card with mana value X or less, put it onto the battlefield, then shuffle. Shuffle Green Sun's Zenith into its owner's library.
{2}{G}
Imperious Perfect
Creature - Elf Warrior
Other Elves you control get +1/+1.
{G}, {T}: Create a 1/1 green Elf Warrior creature token.
2 /
2
{2}{U}
Intruder Alarm
Enchantment
Creatures don't untap during their controllers' untap steps.
Whenever a creature enters the battlefield, untap all creatures.
{2}{U}
Intuition
Instant
Search your library for three cards and reveal them. Target opponent chooses one. Put that card into your hand and the rest into your graveyard. Then shuffle.
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
{2}{B}{B}
King Macar, the Gold-Cursed
Legendary Creature - Human Noble
Inspired -- Whenever King Macar, the Gold-Cursed becomes untapped, you may exile target creature. If you do, create a Gold token. (It's an artifact with "Sacrifice this artifact: Add one mana of any color.")
2 /
3
{3}{U}
Knacksaw Clique
Creature - Faerie Rogue
Flying
{1}{U}, {Q}: Target opponent exiles the top card of their library. Until end of turn, you may play that card. ({Q} is the untap symbol.)
1 /
4
{G}
Llanowar Elves
Creature - Elf Druid
{T}: Add {G}.
1 /
1
--
Llanowar Wastes
Land
{T}: Add {C}.
{T}: Add {B} or {G}. Llanowar Wastes deals 1 damage to you.
--
Misty Rainforest
Land
{T}, Pay 1 life, Sacrifice Misty Rainforest: Search your library for a Forest or Island card, put it onto the battlefield, then shuffle.
--
Morphic Pool
Land
Morphic Pool enters the battlefield tapped unless you have two or more opponents.
{T}: Add {U} or {B}.
{U}
Mystical Tutor
Instant
Search your library for an instant or sorcery card, reveal it, then shuffle and put that card on top.
{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
--
Overgrown Tomb
Land - Swamp Forest
({T}: Add {B} or {G}.)
As Overgrown Tomb enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
{2}{B}
Plaguecrafter
Creature - Human Shaman
When Plaguecrafter enters the battlefield, each player sacrifices a creature or planeswalker. Each player who can't discards a card.
3 /
2
--
Polluted Delta
Land
{T}, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.
{2}{G}
Presence of Gond
Enchantment - Aura
Enchant creature
Enchanted creature has "{T}: Create a 1/1 green Elf Warrior creature token."
{2}{G}{U}
Prime Speaker Vannifar
Legendary Creature - Elf Ooze Wizard
{T}, Sacrifice another creature: Search your library for a creature card with mana value equal to 1 plus the sacrificed creature's mana value, put that card onto the battlefield, then shuffle. Activate only as a sorcery.
2 /
4
--
Reflecting Pool
Land
{T}: Add one mana of any type that a land you control could produce.
{3}{B}{B}
Sidisi, Undead Vizier
Legendary Creature - Zombie Naga
Deathtouch
Exploit (When this creature enters the battlefield, you may sacrifice a creature.)
When Sidisi, Undead Vizier exploits a creature, you may search your library for a card, put it into your hand, then shuffle.
4 /
6
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{1}{G}
Sprout Swarm
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.)
Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.)
Create a 1/1 green Saproling creature token.
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
{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.
{5}{B}
Tasigur, the Golden Fang
Legendary Creature - Human Shaman
Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)
{2}{G/U}{G/U}: Mill two cards, then return a nonland card of an opponent's choice from your graveyard to your hand.
4 /
5
{3}{U}
Tradewind Rider
Creature - Spirit
Flying
{T}, Tap two untapped creatures you control: Return target permanent to its owner's hand.
1 /
4
{B}
Vampiric Tutor
Instant
Search your library for a card, then shuffle and put that card on top. You lose 2 life.
--
Verdant Catacombs
Land
{T}, Pay 1 life, Sacrifice Verdant Catacombs: Search your library for a Swamp or Forest card, put it onto the battlefield, then shuffle.
--
Volrath's Stronghold
Legendary Land
{T}: Add {C}.
{1}{B}, {T}: Put target creature card from your graveyard on top of your library.
--
Watery Grave
Land - Island Swamp
({T}: Add {U} or {B}.)
As Watery Grave enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
--
Woodland Cemetery
Land
Woodland Cemetery enters the battlefield tapped unless you control a Swamp or a Forest.