Stasis

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

Winter Orb

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

Spell Blast

Counter target spell with mana value X. (For example, if that spell's mana cost is {3}{U}{U}, X is 5.)

Regrowth

Return target card from your graveyard to your hand.

Birds of Paradise

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.

Twiddle

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

Forest

Mana Short

Tap all lands target player controls and that player loses all unspent mana.

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.

Animate Artifact

Enchant artifact
As long as enchanted artifact isn't a creature, it's an artifact creature with power and toughness each equal to its mana value.

Demonic Tutor

Search your library for a card, put that card into your hand, then shuffle.

Bayou

Underground Sea

Howling Mine

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

Tropical Island

Black Lotus

{T}, Sacrifice this artifact: Add three mana of any one color.

Instill Energy

Enchant creature
Enchanted creature can attack as though it had haste.
{0}: Untap enchanted creature. Activate only during your turn and only once each turn.

Icy Manipulator

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

Copy Artifact

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