Wellspring

Enchant land
When this Aura enters, gain control of enchanted land until end of turn.
At the beginning of your upkeep, untap enchanted land. You gain control of that land until end of turn.

Abeyance

Until end of turn, target player can't cast instant or sorcery spells, and that player can't activate abilities that aren't mana abilities.
Draw a card.

Opalescence

Each other non-Aura enchantment is a creature in addition to its other types and has base power and base toughness each equal to its mana value.

Aluren

Any player may cast creature spells with mana value 3 or less without paying their mana costs and as though they had flash.

Phyrexian Purge

This spell costs 3 life more to cast for each target.
Destroy any number of target creatures.

Cadaverous Bloom

Exile a card from your hand: Add {B}{B} or {G}{G}.

Recycle

Skip your draw step.
Whenever you play a card, draw a card.
Your maximum hand size is two.

Oath of Ghouls

At the beginning of each player's upkeep, that player chooses target player whose graveyard has fewer creature cards in it than their graveyard does and is their opponent. The first player may return a creature card from their graveyard to their hand.

Glacial Crevasses

Sacrifice a snow Mountain: Prevent all combat damage that would be dealt this turn.

Urborg Justice

Target opponent sacrifices a creature of their choice for each creature put into your graveyard from the battlefield this turn.

Natural Balance

Each player who controls six or more lands chooses five lands they control and sacrifices the rest. Each player who controls four or fewer lands may search their library for up to X basic land cards and put them onto the battlefield, where X is five minus the number of lands they control. Then each player who searched their library this way shuffles.

Spoils of Evil

For each artifact or creature card in target opponent's graveyard, add {C} and you gain 1 life.

Paradigm Shift

Exile all cards from your library. Then shuffle your graveyard into your library.

Stone Calendar

Earthcraft

Tap an untapped creature you control: Untap target basic land.

Apocalypse

Exile all permanents. You discard your hand.

Altar of Bone

As an additional cost to cast this spell, sacrifice a creature.
Search your library for a creature card, reveal it, put it into your hand, then shuffle.

Kudzu

Enchant land
When enchanted land becomes tapped, destroy it. That land's controller may attach this Aura to a land of their choice.

Carrion

As an additional cost to cast this spell, sacrifice a creature.
Create X 0/1 black Insect creature tokens, where X is the sacrificed creature's power.

Unfulfilled Desires

{1}, Pay 1 life: Draw a card, then discard a card.

Femeref Enchantress

Whenever an enchantment is put into a graveyard from the battlefield, draw a card.

Ritual of the Machine

As an additional cost to cast this spell, sacrifice a creature.
Gain control of target nonartifact, nonblack creature.

Metalworker

{T}: Reveal any number of artifact cards in your hand. Add {C}{C} for each card revealed this way.

Mana Web

Whenever a land an opponent controls is tapped for mana, tap all lands that player controls that could produce any type of mana that land could produce.

Frankenstein's Monster

As this creature enters, exile X creature cards from your graveyard. If you can't, put this creature into its owner's graveyard instead of onto the battlefield. For each creature card exiled this way, this creature enters with a +2/+0, +1/+1, or +0/+2 counter on it.

Corpse Dance

Buyback {2} (You may pay an additional {2} as you cast this spell. If you do, put this card into your hand as it resolves.)
Return the top creature card of your graveyard to the battlefield. That creature gains haste until end of turn. Exile it at the beginning of the next end step.

Donate

Target player gains control of target permanent you control.

Volrath's Shapeshifter

As long as the top card of your graveyard is a creature card, this creature has the full text of that card and has the text "{2}: Discard a card." (This creature has that card's name, mana cost, color, types, abilities, power, and toughness.)
{2}: Discard a card.