Twiddle

You may tap or untap target artifact, creature, or land.

Regrowth

Return target card from your graveyard to your hand.

Mana Drain

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

Copy Artifact

You may have Copy Artifact enter as a copy of any artifact on the battlefield, except it's an enchantment in addition to its other types.

Counterspell

Transmute Artifact

Sacrifice an artifact. If you do, search your library for an artifact card. If that card's mana value is less than or equal to the sacrificed artifact's mana value, put it onto the battlefield. If it's greater, you may pay {X}, where X is the difference. If you do, put it onto the battlefield. If you don't, put it into its owner's graveyard. Then shuffle.

Ivory Tower

At the beginning of your upkeep, you gain X life, where X is the number of cards in your hand minus 4.

Tropical Island

Relic Barrier

Recall

Discard X cards, then return a card from your graveyard to your hand for each card discarded this way. Exile Recall.

Chaos Orb

{1}, {T}: If Chaos Orb is on the battlefield, flip Chaos Orb onto the battlefield from a height of at least one foot. If Chaos Orb turns over completely at least once during the flip, destroy all nontoken permanents it touches. Then destroy Chaos Orb.

City of Brass

Whenever City of Brass becomes tapped, it deals 1 damage to you.
{T}: Add one mana of any color.

Time Vault

Time Vault enters tapped.
Time Vault doesn't untap during your untap step.
If you would begin your turn while Time Vault is tapped, you may skip that turn instead. If you do, untap Time Vault.
{T}: Take an extra turn after this one.

Winter Orb

As long as Winter Orb is untapped, players can't untap more than one land during their untap steps.

Island

Strip Mine

{T}: Add {C}.
{T}, Sacrifice Strip Mine: Destroy target land.

Forest

Stasis

Players skip their untap steps.
At the beginning of your upkeep, sacrifice Stasis unless you pay {U}.

Ancestral Recall

Boomerang

Return target permanent to its owner's hand.

Hurkyl's Recall

Return all artifacts target player owns to their hand.

Feldon's Cane

{T}, Exile Feldon's Cane: Shuffle your graveyard into your library.

Icy Manipulator

{1}, {T}: Tap target artifact, creature, or land.

Unsummon

Return target creature to its owner's hand.

Black Vise

As Black Vise enters, choose an opponent.
At the beginning of the chosen player's upkeep, Black Vise deals X damage to that player, where X is the number of cards in their hand minus 4.

Sylvan Library

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.

Tranquility

Power Sink

Counter target spell unless its controller pays {X}. If that player doesn't, they tap all lands with mana abilities they control and lose all unspent mana.

Time Walk

Time Elemental

When Time Elemental attacks or blocks, at end of combat, sacrifice it and it deals 5 damage to you.
{2}{U}{U}, {T}: Return target permanent that isn't enchanted to its owner's hand.

Flash Counter

Crumble

Destroy target artifact. It can't be regenerated. That artifact's controller gains life equal to its mana value.

Rainbow Vale

{T}: Add one mana of any color. An opponent gains control of Rainbow Vale at the beginning of the next end step.

Force Spike

Counter target spell unless its controller pays {1}.

Weakstone

The Tabernacle at Pendrell Vale

All creatures have "At the beginning of your upkeep, destroy this creature unless you pay {1}."

Avoid Fate

Counter target instant or Aura spell that targets a permanent you control.

Fellwar Stone

{T}: Add one mana of any color that a land an opponent controls could produce.

Blue Elemental Blast

Choose one —
• Counter target red spell.
• Destroy target red permanent.

Howling Mine

At the beginning of each player's draw step, if Howling Mine is untapped, that player draws an additional card.