Miracle Worker

{T}: Destroy target Aura attached to a creature you control.

Electric Eel

When Electric Eel enters the battlefield, it deals 1 damage to you.
{R}{R}: Electric Eel gets +2/+0 until end of turn and deals 1 damage to you.

Hidden Path

Green creatures have forestwalk. (They can't be blocked as long as defending player controls a Forest.)

Season of the Witch

At the beginning of your upkeep, sacrifice Season of the Witch unless you pay 2 life.
At the beginning of the end step, destroy all untapped creatures that didn't attack this turn, except for creatures that couldn't attack.

Inquisition

Target player reveals their hand. Inquisition deals damage to that player equal to the number of white cards in their hand.

Reflecting Mirror

{X}, {T}: Change the target of target spell with a single target if that target is you. The new target must be a player. X is twice the mana value of that spell.

Deep Water

{U}: Until end of turn, if you tap a land you control for mana, it produces {U} instead of any other type.

Curse Artifact

Enchant artifact
At the beginning of the upkeep of enchanted artifact's controller, Curse Artifact deals 2 damage to that player unless they sacrifice that artifact.

Worms of the Earth

Players can't play lands.
Lands can't enter the battlefield.
At the beginning of each upkeep, any player may sacrifice two lands or have Worms of the Earth deal 5 damage to that player. If a player does either, destroy Worms of the Earth.

Festival

Cast this spell only during an opponent's upkeep.
Creatures can't attack this turn.

Lurker

Lurker can't be the target of spells unless it attacked or blocked this turn.

Scarwood Hag

{G}{G}{G}{G}, {T}: Target creature gains forestwalk until end of turn. (It can't be blocked as long as defending player controls a Forest.)
{T}: Target creature loses forestwalk until end of turn.

Psychic Allergy

As Psychic Allergy enters the battlefield, choose a color.
At the beginning of each opponent's upkeep, Psychic Allergy deals X damage to that player, where X is the number of nontoken permanents of the chosen color they control.
At the beginning of your upkeep, destroy Psychic Allergy unless you sacrifice two Islands.

Fire and Brimstone

Fire and Brimstone deals 4 damage to target player who attacked this turn and 4 damage to you.

Eternal Flame

Eternal Flame deals X damage to target opponent or planeswalker and half X damage, rounded up, to you, where X is the number of Mountains you control.

Necropolis

Defender (This creature can't attack.)
Exile a creature card from your graveyard: Put X +0/+1 counters on Necropolis, where X is the exiled card's mana value.

Scarwood Goblins

Wand of Ith

{3}, {T}: Target player reveals a card at random from their hand. If it's a land card, that player discards it unless they pay 1 life. If it isn't a land card, the player discards it unless they pay life equal to its mana value. Activate only during your turn.

Dark Sphere

{T}, Sacrifice Dark Sphere: The next time a source of your choice would deal damage to you this turn, prevent half that damage, rounded down.

Tangle Kelp

Enchant creature
When Tangle Kelp enters the battlefield, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step if it attacked during its controller's last turn.

People of the Woods

People of the Woods's toughness is equal to the number of Forests you control.

Standing Stones

{1}, {T}, Pay 1 life: Add one mana of any color.

Grave Robbers

{B}, {T}: Exile target artifact card from a graveyard. You gain 2 life.

Frankenstein's Monster

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

Giant Shark

Giant Shark can't attack unless defending player controls an Island.
Whenever Giant Shark blocks or becomes blocked by a creature that has been dealt damage this turn, Giant Shark gets +2/+0 and gains trample until end of turn.
When you control no Islands, sacrifice Giant Shark.

Nameless Race

Trample
As Nameless Race enters the battlefield, pay any amount of life. The amount you pay can't be more than the total number of white nontoken permanents your opponents control plus the total number of white cards in their graveyards.
Nameless Race's power and toughness are each equal to the life paid as it entered the battlefield.

Niall Silvain

{G}{G}{G}{G}, {T}: Regenerate target creature.

Tower of Coireall

{T}: Target creature can't be blocked by Walls this turn.

Riptide

Water Wurm

Water Wurm gets +0/+1 as long as an opponent controls an Island.

Cleansing

For each land, destroy that land unless any player pays 1 life.

Whippoorwill

{G}{G}, {T}: Target creature can't be regenerated this turn. Damage that would be dealt to that creature this turn can't be prevented or dealt instead to another permanent or player. When the creature dies this turn, exile the creature.

Fasting

At the beginning of your upkeep, put a hunger counter on Fasting. Then destroy Fasting if it has five or more hunger counters on it.
If you would begin your draw step, you may skip that step instead. If you do, you gain 2 life.
When you draw a card, destroy Fasting.

Savaen Elves

{G}{G}, {T}: Destroy target Aura attached to a land.

Marsh Goblins

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)