Search your library for up to X basic land cards, where X is the number of lands you control, put them onto the battlefield tapped, then shuffle.
{3}{B}{B}
Dark Petition
Sorcery
Search your library for a card, put that card into your hand, then shuffle.
Spell mastery -- If there are two or more instant and/or sorcery cards in your graveyard, add {B}{B}{B}.
{7}{U}{U}
Expropriate
Sorcery
Council's dilemma -- Starting with you, each player votes for time or money. For each time vote, take an extra turn after this one. For each money vote, choose a permanent owned by the voter and gain control of it. Exile Expropriate.
{X}{B}{B}
Exsanguinate
Sorcery
Each opponent loses X life. You gain life equal to the life lost this way.
{1}{G}
Farseek
Sorcery
Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.
{R}{R}
Increasing Vengeance
Instant
Copy target instant or sorcery spell you control. If this spell was cast from a graveyard, copy that spell twice instead. You may choose new targets for the copies.
Flashback {3}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{2}{B}
Painful Truths
Sorcery
Converge -- You draw X cards and you lose X life, where X is the number of colors of mana spent to cast this spell.
{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.
{1}{G}
Rampant Growth
Sorcery
Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
{2}{B}
Read the Bones
Sorcery
Scry 2, then draw two cards. You lose 2 life.
{1}{R}{R}
Reiterate
Instant
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.)
Copy target instant or sorcery spell. You may choose new targets for the copy.
{R}{R}
Reverberate
Instant
Copy target instant or sorcery spell. You may choose new targets for the copy.
{4}{G}
Rude Awakening
Sorcery
Choose one --
• Untap all lands you control.
• Until end of turn, lands you control become 2/2 creatures that are still lands.
Entwine {2}{G} (Choose both if you pay the entwine cost.)
{4}{G}{G}
Seasons Past
Sorcery
Return any number of cards with different mana values from your graveyard to your hand. Put Seasons Past on the bottom of its owner's library.
{3}{B}
Syphon Mind
Sorcery
Each other player discards a card. You draw a card for each card discarded this way.
{8}{U}{U}
Time Stretch
Sorcery
Target player takes two extra turns after this one.
{X}{B}{B}
Torment of Hailfire
Sorcery
Repeat the following process X times. Each opponent loses 3 life unless that player sacrifices a nonland permanent or discards a card.
{5}{R}{R}
Volcanic Vision
Sorcery
Return target instant or sorcery card from your graveyard to your hand. Volcanic Vision deals damage equal to that card's mana value to each creature your opponents control. Exile Volcanic Vision.
{1}{B}
Waste Not
Enchantment
Whenever an opponent discards a creature card, create a 2/2 black Zombie creature token.
Whenever an opponent discards a land card, add {B}{B}.
Whenever an opponent discards a noncreature, nonland card, draw a card.
{X}{X}{G}
Wildest Dreams
Sorcery
Return X target cards from your graveyard to your hand. Exile Wildest Dreams.
{2}{U}
Windfall
Sorcery
Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.
{5}{B}
Wound Reflection
Enchantment
At the beginning of each end step, each opponent loses life equal to the life they lost this turn. (Damage causes loss of life.)