Mana Short

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

Fork

Copy target instant or sorcery spell, except that the copy is red. You may choose new targets for the copy.

Fog

Prevent all combat damage that would be dealt this turn.

Sea Serpent

Sea Serpent can’t attack unless defending player controls an Island.
When you control no Islands, sacrifice Sea Serpent.

Paralyze

Enchant creature
When Paralyze enters, tap enchanted creature.
Enchanted creature doesn’t untap during its controller’s untap step.
At the beginning of the upkeep of enchanted creature’s controller, that player may pay . If the player does, untap the creature.

Power Surge

At the beginning of each player’s upkeep, Power Surge deals X damage to that player, where X is the number of untapped lands they controlled at the beginning of this turn.

Unsummon

Return target creature to its owner’s hand.

Phantasmal Forces

Flying
At the beginning of your upkeep, sacrifice Phantasmal Forces unless you pay .

Kudzu

Enchant land
When enchanted land becomes tapped, destroy it. That land’s controller may attach Kudzu to a land of their choice.

Plague Rats

Plague Rats’s power and toughness are each equal to the number of creatures named Plague Rats on the battlefield.

Blue Elemental Blast

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

Wooden Sphere

Whenever a player casts a green spell, you may pay . If you do, you gain 1 life.

Red Elemental Blast

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

Clone

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

Drain Power

Target player activates a mana ability of each land they control. Then that player loses all unspent mana and you add the mana lost this way.