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

Other Merfolk creatures you control get +1/+1. {T}: Target Merfolk creature can't be blocked this turn.

{1}{U}, {T}: Target creature gains flying until end of turn.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.) Whenever this creature deals combat damage to a player, that player reveals a card at random from their hand.

Whenever this creature attacks, another target attacking non-Human creature can't be blocked this turn.

{T}: Target Merfolk creature gets +1/+1 and gains islandwalk until end of turn. (It can't be blocked as long as defending player controls an Island.) {T}: Target land becomes an Island until end of turn.

{T}: Target land becomes an Island until end of turn.

{T}: Target land becomes the basic land type of your choice until end of turn. Activate only during your turn.

This creature can't be blocked.

Target player mills X cards, where X is the number of lands you control.

When this creature enters, target player mills a card.

Put a flood counter on target land. That land is an Island in addition to its other types for as long as it has a flood counter on it. If you control a Merfolk, draw a card.

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

Target creature you control gains protection from creatures your opponents control until end of turn. Untap it.

Flying Whenever this creature attacks or blocks, untap target permanent.

At the beginning of your end step, untap all Merfolk you control.

{1}{U}, {T}: You may tap or untap target creature.

Target creature gets -5/-0 until end of turn.

Kicker {2}{U} (You may pay an additional {2}{U} as you cast this spell.) Enchant creature When this Aura enters, if it was kicked, tap enchanted creature. Enchanted creature doesn't untap during its controller's untap step.

Sacrifice this creature: Counter target instant or sorcery spell unless its controller pays {1}.

Enchant artifact or creature Enchanted permanent doesn't untap during its controller's untap step and its activated abilities can't be activated.

Return target creature to its owner's hand. If its mana value was 3 or less, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Strive — This spell costs {U} more to cast for each target beyond the first. Return any number of target enchantments to their owners' hands.

Target creature's owner puts it on their choice of the top or bottom of their library. You create a 2/2 black Zombie creature token with decayed. (It can't block. When it attacks, sacrifice it at end of combat.)

Return up to three target creatures and/or enchantments to their owners' hands.

Counter target spell unless its controller pays {X}, where X is your devotion to blue. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)

{U}: This creature can't be blocked this turn.

Whenever this creature blocks a creature, that creature doesn't untap during its controller's next untap step.

Inspired — Whenever this creature becomes untapped, target creature an opponent controls gets -3/-0 until end of turn.

Multikicker {1}{U} (You may pay an additional {1}{U} any number of times as you cast this spell.) Islandwalk (This creature can't be blocked as long as defending player controls an Island.) This creature enters with a +1/+1 counter on it for each time it was kicked.

Level up {2} ({2}: Put a level counter on this. Level up only as a sorcery.) LEVEL 1-4 0/6 LEVEL 5+ 6/6 Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Islandwalk (This creature can't be blocked as long as defending player controls an Island.) When this creature enters, look at the top four cards of your library, then put them back in any order.

{U}: This creature gains flying until end of turn.

Flying Whenever you cast a kicked spell, scry 2.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.) Phasing (This phases in or out before you untap during each of your untap steps. While it's phased out, it's treated as though it doesn't exist.)

Islandwalk (This creature can't be blocked as long as defending player controls an Island.) {2}{U}: Tap target creature without flying.

{4}{U}: This creature gets +1/+0 until end of turn and can't be blocked this turn. This ability costs {1} less to activate for each creature in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)

Flash Flying

Level up {3} ({3}: Put a level counter on this. Level up only as a sorcery.) LEVEL 1-2 2/2 Flying LEVEL 3+ 4/2 Flying

Constellation — Whenever an enchantment you control enters, this creature gains flying until end of turn.

This land enters tapped unless you control an Island. {T}: Add {U}. {2}{U}{U}, {T}: Scry 2.

This land enters tapped. When this land enters, look at the top three cards of your library, then put them back in any order. {T}: Add {U}.

({T}: Add {U}.)

Enchant creature Enchanted creature gets +3/+3 and has flying. Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Spells your opponents cast that target a Merfolk you control cost {2} more to cast. Abilities your opponents activate that target a Merfolk you control cost {2} more to activate.

Kicker {1} (You may pay an additional {1} as you cast this spell.) Target creature you control gets +0/+3 until end of turn. If this spell was kicked, that creature also gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

{T}: Target creature gets -X/-0 until end of turn, where X is the number of Merfolk and/or Faeries you control.

Equipped creature gets +0/+2 and has reach. (It can block creatures with flying.) Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

When this enchantment enters, create two 1/1 blue Merfolk creature tokens with hexproof. (They can't be the targets of spells or abilities your opponents control.) {3}{U}: Target Merfolk can't be blocked this turn.