Counterspell

Twiddle

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

Sol Ring

Lord of Atlantis

Other Merfolk get +1/+1 and have islandwalk. (They can't be blocked as long as defending player controls an Island.)

Control Magic

Enchant creature
You control enchanted creature.

Mahamoti Djinn

Flying (This creature can't be blocked except by creatures with flying or reach.)

Clone

You may have Clone enter as a copy of any creature on the battlefield.

Jade Statue

{2}: Jade Statue becomes a 3/6 Golem artifact creature until end of combat. Activate only during combat.

Blue Elemental Blast

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

Ivory Tower

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

Island

Winter Orb

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

Timetwister

Each player shuffles their hand and graveyard into their library, then draws seven cards. (Then put Timetwister into its owner's graveyard.)

Air Elemental

Basalt Monolith

Basalt Monolith doesn't untap during your untap step.
{T}: Add {C}{C}{C}.
{3}: Untap Basalt Monolith.

Mana Vault

Mana Vault doesn't untap during your untap step.
At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault.
At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you.
{T}: Add {C}{C}{C}.

Phantom Monster

Stasis

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

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.

Jayemdae Tome

Icy Manipulator

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

Prodigal Sorcerer

{T}: Prodigal Sorcerer deals 1 damage to any target.

Steal Artifact

Enchant artifact
You control enchanted artifact.

Time Walk

Braingeyser

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.