Psychic Purge

Psychic Purge deals 1 damage to any target.
When a spell or ability an opponent controls causes you to discard this card, that player loses 5 life.

Acid Rain

Counterspell

Dandân

This creature can't attack unless defending player controls an Island.
When you control no Islands, sacrifice this creature.

Timetwister

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

Force Spike

Counter target spell unless its controller pays {1}.

Amnesia

Target player reveals their hand and discards all nonland cards.

Sol Ring

Time Elemental

When this creature 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.

Mox Sapphire

Lord of Atlantis

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

Serendib Efreet

Flying
At the beginning of your upkeep, this creature deals 1 damage to you.

Mana Vault

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

Boomerang

Return target permanent to its owner's hand.

Strip Mine

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

Juggernaut

This creature attacks each combat if able.
This creature can't be blocked by Walls.

Icy Manipulator

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

Braingeyser

Mishra's Factory

{T}: Add {C}.
{1}: This land becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.
{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

Mana Vortex

When you cast this spell, counter it unless you sacrifice a land.
At the beginning of each player's upkeep, that player sacrifices a land of their choice.
When there are no lands on the battlefield, sacrifice this enchantment.

Psionic Blast

Psionic Blast deals 4 damage to any target and 2 damage to you.

Control Magic

Enchant creature
You control enchanted creature.

Tolaria

{T}: Add {U}.
{T}: Target creature loses banding and all "bands with other" abilities until end of turn. Activate only during any upkeep step.

Blue Elemental Blast

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

Island

Black Lotus

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

Ancestral Recall

Clone

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

Old Man of the Sea

You may choose not to untap this creature during your untap step.
{T}: Gain control of target creature with power less than or equal to this creature's power for as long as this creature remains tapped and that creature's power remains less than or equal to this creature's power.

Maze of Ith

{T}: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.