Hurkyl's Recall

Return all artifacts target player owns to their hand.

Island Fish Jasconius

This creature doesn't untap during your untap step.
At the beginning of your upkeep, you may pay {U}{U}{U}. If you do, untap this creature.
This creature can't attack unless defending player controls an Island.
When you control no Islands, sacrifice this creature.

Jump

Target creature gains flying until end of turn.

Black Ward

Enchant creature
Enchanted creature has protection from black. This effect doesn't remove this Aura.

Leviathan

Trample
This creature enters tapped and doesn't untap during your untap step.
At the beginning of your upkeep, you may sacrifice two Islands. If you do, untap this creature.
This creature can't attack unless you sacrifice two Islands. (This cost is paid as attackers are declared.)

Lifetap

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

Lord of Atlantis

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

Magical Hack

Change the text of target spell or permanent by replacing all instances of one basic land type with another. (For example, you may change "swampwalk" to "plainswalk." This effect lasts indefinitely.)

Mahamoti Djinn

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

Mana Short

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

Merfolk of the Pearl Trident

Mind Bomb

Each player may discard up to three cards. Mind Bomb deals damage to each player equal to 3 minus the number of cards they discarded this way.

Phantasmal Forces

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

Phantasmal Terrain

Enchant land
As this Aura enters, choose a basic land type.
Enchanted land is the chosen type.

Blessing

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

Fourth Edition