Braingeyser

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Phantasmal Forces

Flying
At the beginning of your upkeep, sacrifice this creature unless you pay {U}.

Unsummon

Return target creature to its owner's hand.

Giant Tortoise

This creature gets +0/+3 as long as it's untapped.

Wall of Heat

Hydroblast

Choose one —
• Counter target spell if it's red.
• Destroy target permanent if it's red.

Dwarven Hold

This land enters tapped.
You may choose not to untap this land during your untap step.
At the beginning of your upkeep, if this land is tapped, put a storage counter on it.
{T}, Remove any number of storage counters from this land: Add {R} for each storage counter removed this way.

Serendib Efreet

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

Juggernaut

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

City of Brass

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

Wall of Air

Defender, flying (This creature can't attack, and it can block creatures with flying.)

Basalt Monolith

This artifact doesn't untap during your untap step.
{T}: Add {C}{C}{C}.
{3}: Untap this artifact.

Fireball

This spell costs {1} more to cast for each target beyond the first.
Fireball deals X damage divided evenly, rounded down, among any number of targets.

Phantom Monster

Dandân

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

Chain Lightning

Chain Lightning deals 3 damage to any target. Then that player or that permanent's controller may pay {R}{R}. If the player does, they may copy this spell and may choose a new target for that copy.

Immolation

Enchant creature
Enchanted creature gets +2/-2.

Boomerang

Return target permanent to its owner's hand.

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.

Control Magic

Enchant creature
You control enchanted creature.

High Tide

Until end of turn, whenever a player taps an Island for mana, that player adds an additional {U}.

Psionic Blast

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

Incinerate

Incinerate deals 3 damage to any target. A creature dealt damage this way can't be regenerated this turn.

Glacial Wall

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}.

Pyroclasm

Pyroclasm deals 2 damage to each creature.

Counterspell

Ray of Erasure

Target player mills a card.
Draw a card at the beginning of the next turn's upkeep.

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.

Gaseous Form

Enchant creature
Prevent all combat damage that would be dealt to and dealt by enchanted creature.

Mountain

Nevinyrral's Disk

This artifact enters tapped.
{1}, {T}: Destroy all artifacts, creatures, and enchantments.

Power Artifact

Enchant artifact
Enchanted artifact's activated abilities cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana.

Word of Undoing

Return target creature and all white Auras you own attached to it to their owners' hands.

Clairvoyance

Look at target player's hand.
Draw a card at the beginning of the next turn's upkeep.

Blue Elemental Blast

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

Air Elemental

Island

Remove Soul

Flash Counter

Disintegrate

Disintegrate deals X damage to any target. If it's a creature, it can't be regenerated this turn, and if it would die this turn, exile it instead.

Red Elemental Blast

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