{5}, Sacrifice this artifact: Exchange control of target artifact, creature, or land you control and target permanent an opponent controls that shares one of those types with it. If those permanents are exchanged this way, destroy all Auras attached to them.

Exchange control of two target lands. Splice onto Arcane {3}{U} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Enchant creature Enchanted creature gets +1/+1 and has "Whenever this creature deals combat damage to a player, investigate." (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Whenever you draw a card, put a +1/+1 counter on this creature. When this creature dies, create X 1/1 blue Squid creature tokens with islandwalk, where X is the number of +1/+1 counters on this creature. (They can't be blocked as long as defending player controls an Island.)

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

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.

{T}: Add one mana of any color in your commander's color identity.

At the beginning of your upkeep, put a time counter on this enchantment. Once each turn, you may pay {0} rather than pay the mana cost for a spell you cast with mana value X or less, where X is the number of time counters on this enchantment.

{T}: Add one mana of any color in your commander's color identity. Sacrifice this artifact: Draw a card.

Whenever equipped creature attacks, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Target land becomes the basic land type of your choice until end of turn. Draw a card at the beginning of the next turn's upkeep.

{T}: Add {U}. {2}{U}: Put an hour counter on this artifact. At the beginning of each upkeep, put an hour counter on this artifact. When the twelfth hour counter is put on this artifact, shuffle your hand and graveyard into your library, then draw seven cards. Exile this artifact.

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

Look at the top seven cards of your library. You may put one of those cards onto the battlefield if it has the same name as a permanent. Put the rest on the bottom of your library in any order.

{T}: Add {C}. {1}, {T}: Add one mana of any color.

Reveal a card in your hand, then put that card onto the battlefield if it has the same name as a permanent.

Target land becomes the basic land type of your choice until end of turn. Draw a card.

This artifact enters tapped. {T}: Add {U}.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.) Merfolk spells and Wizard spells you cast cost {1} less to cast.

Enchant creature Enchanted creature gets +1/+1 and has flying.

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.) Enchanted creature has islandwalk. (It 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.)

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.

Choose one — • Target creature gains islandwalk until end of turn. (It can't be blocked as long as defending player controls an Island.) • Target creature gets +2/-1 until end of turn. • Target player discards a card.

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

Islandwalk (This creature can't be blocked as long as defending player controls an Island.) {1}, {T}: Tap target land.

Enchant land (Target a land as you cast this. This card enters attached to that land.) Enchanted land is an Island.

{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.

Kicker {1} (You may pay an additional {1} as you cast this spell.) When this creature enters, if it was kicked, target land becomes an Island for as long as this creature remains on the battlefield. This creature gets +1/+1 as long as an opponent controls an Island.

Cleave {1}{U} (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.) Return target nonland permanent [you control] to its owner's hand.

{U}: This creature gains islandwalk until end of turn. (It can't be blocked as long as defending player controls an Island.)

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

This creature can't attack unless defending player controls an Island. {U}, Sacrifice an Island: Target land becomes an Island until end of turn.

This creature enters with six +1/+1 counters on it. This creature can't attack unless defending player controls an Island. {U}, Remove a +1/+1 counter from this creature: Target land becomes an Island until end of turn.

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.)

This creature can't attack unless defending player controls an Island. {U}, Sacrifice an Island: Target land an opponent controls becomes an Island until end of turn. When you control no Islands, sacrifice this creature.

{T}: Destroy target creature with islandwalk.

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.)

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

This creature can't attack unless defending player controls an Island. {5}{U}{U}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.) When this creature becomes monstrous, target land becomes an Island in addition to its other types.

Cumulative upkeep {2} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) As this enchantment enters, choose two basic land types. Basic lands of the first chosen type are the second chosen type.