Singles

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

Enchant land Whenever enchanted land becomes tapped, Psychic Venom deals 2 damage to that land's controller.

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

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 unspe...

Enchant enchantment At the beginning of the upkeep of enchanted enchantment's controller, that player may pay any amount of mana. Power Leak deals ...

Pirate Ship can't attack unless defending player controls an Island. {T}: Pirate Ship deals 1 damage to any target. When you control no Islands, sa...

Flying

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

Enchant creature {W}: Enchanted creature gets +1/+1 until end of turn.

Enchant land As Phantasmal Terrain enters the battlefield, choose a basic land type. Enchanted land is the chosen type.

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

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

Whenever a Forest an opponent controls becomes tapped, you gain 1 life.

Target creature gains flying until end of turn.

Enchant creature Enchanted creature can't be blocked except by Walls.

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

Change the text of target spell or permanent by replacing all instances of one basic land type with another. (For example, you may change "swampwal...

Cast this spell only during combat before blockers are declared. Target creature defending player controls can block any number of creatures this t...

Enchant creature Enchanted creature has flying.

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

Enchant enchantment At the beginning of the upkeep of enchanted enchantment's controller, Feedback deals 1 damage to that player.

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.

Enchant creature When enchanted creature dies, Creature Bond deals damage equal to that creature's toughness to the creature's controller.