As Cavern of Souls enters the battlefield, choose a creature type.
{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.
--
Cavern of Souls
Land
As Cavern of Souls enters the battlefield, choose a creature type.
{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.
--
Cavern of Souls
Land
As Cavern of Souls enters the battlefield, choose a creature type.
{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.
--
Cavern of Souls
Land
As Cavern of Souls enters the battlefield, choose a creature type.
{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.
{1}{U}
Coral Eel
Creature - Fish
2 /
1
{1}{U}
Coral Eel
Creature - Fish
2 /
1
{1}{U}
Echoing Truth
Instant
Return target nonland permanent and all other permanents with the same name as that permanent to their owners' hands.
{1}{U}
Echoing Truth
Instant
Return target nonland permanent and all other permanents with the same name as that permanent to their owners' hands.
{5}{U}{U}
Fleet Swallower
Creature - Fish
Whenever Fleet Swallower attacks, target player mills half their library, rounded up.
6 /
6
{5}{U}{U}
Fleet Swallower
Creature - Fish
Whenever Fleet Swallower attacks, target player mills half their library, rounded up.
6 /
6
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
{4}{U}{U}
Jace's Mindseeker
Creature - Fish Illusion
Flying
When Jace's Mindseeker enters the battlefield, target opponent mills five cards. You may cast an instant or sorcery spell from among them without paying its mana cost.
4 /
4
{1}{U}
Mana Leak
Instant
Counter target spell unless its controller pays {3}.
{1}{U}
Mana Leak
Instant
Counter target spell unless its controller pays {3}.
{1}{U}
Mana Leak
Instant
Counter target spell unless its controller pays {3}.
{1}{U}
Mana Leak
Instant
Counter target spell unless its controller pays {3}.
--
Minamo, School at Water's Edge
Legendary Land
{T}: Add {U}.
{U}, {T}: Untap target legendary permanent.
{1}{U}
Moat Piranhas
Creature - Fish
Defender (This creature can't attack.)
3 /
3
{1}{U}
Moat Piranhas
Creature - Fish
Defender (This creature can't attack.)
3 /
3
{1}{U}
Moat Piranhas
Creature - Fish
Defender (This creature can't attack.)
3 /
3
{1}{U}
Moat Piranhas
Creature - Fish
Defender (This creature can't attack.)
3 /
3
--
Oboro, Palace in the Clouds
Legendary Land
{T}: Add {U}.
{1}: Return Oboro, Palace in the Clouds to its owner's hand.
--
Polluted Delta
Land
{T}, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.
--
Polluted Delta
Land
{T}, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.
--
Polluted Delta
Land
{T}, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.
--
Polluted Delta
Land
{T}, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.
{1}{U}
Remand
Instant
Counter target spell. If that spell is countered this way, put it into its owner's hand instead of into that player's graveyard.
Draw a card.
{1}{U}
Remand
Instant
Counter target spell. If that spell is countered this way, put it into its owner's hand instead of into that player's graveyard.
Draw a card.
{1}{U}
Remand
Instant
Counter target spell. If that spell is countered this way, put it into its owner's hand instead of into that player's graveyard.
Draw a card.
{U}
Serum Visions
Sorcery
Draw a card. Scry 2.
{U}
Serum Visions
Sorcery
Draw a card. Scry 2.
{U}
Serum Visions
Sorcery
Draw a card. Scry 2.
{U}
Serum Visions
Sorcery
Draw a card. Scry 2.
{U}
Spell Pierce
Instant
Counter target noncreature spell unless its controller pays {2}.
{U}
Spell Pierce
Instant
Counter target noncreature spell unless its controller pays {2}.
{U}
Spell Pierce
Instant
Counter target noncreature spell unless its controller pays {2}.
{1}{U}
Stinging Lionfish
Enchantment Creature - Fish
Whenever you cast your first spell during each opponent's turn, you may tap or untap target nonland permanent.
2 /
1
{1}{U}
Stinging Lionfish
Enchantment Creature - Fish
Whenever you cast your first spell during each opponent's turn, you may tap or untap target nonland permanent.
2 /
1
{1}{U}
Stinging Lionfish
Enchantment Creature - Fish
Whenever you cast your first spell during each opponent's turn, you may tap or untap target nonland permanent.
2 /
1
{1}{U}
Stinging Lionfish
Enchantment Creature - Fish
Whenever you cast your first spell during each opponent's turn, you may tap or untap target nonland permanent.
2 /
1
{U}{U}
Surge Mare
Creature - Horse Fish
Surge Mare can't be blocked by green creatures.
Whenever Surge Mare deals damage to an opponent, you may draw a card. If you do, discard a card.
{1}{U}: Surge Mare gets +2/-2 until end of turn.
0 /
5
{U}{U}
Surge Mare
Creature - Horse Fish
Surge Mare can't be blocked by green creatures.
Whenever Surge Mare deals damage to an opponent, you may draw a card. If you do, discard a card.
{1}{U}: Surge Mare gets +2/-2 until end of turn.
0 /
5
{U}{U}
Surge Mare
Creature - Horse Fish
Surge Mare can't be blocked by green creatures.
Whenever Surge Mare deals damage to an opponent, you may draw a card. If you do, discard a card.
{1}{U}: Surge Mare gets +2/-2 until end of turn.
0 /
5
{U}{U}
Surge Mare
Creature - Horse Fish
Surge Mare can't be blocked by green creatures.
Whenever Surge Mare deals damage to an opponent, you may draw a card. If you do, discard a card.
{1}{U}: Surge Mare gets +2/-2 until end of turn.
0 /
5
{U}
Vapor Snag
Instant
Return target creature to its owner's hand. Its controller loses 1 life.
{U}
Vapor Snag
Instant
Return target creature to its owner's hand. Its controller loses 1 life.
{U}
Vapor Snag
Instant
Return target creature to its owner's hand. Its controller loses 1 life.
{2}{U}
Wavebreak Hippocamp
Enchantment Creature - Horse Fish
Whenever you cast your first spell during each opponent's turn, draw a card.
2 /
2
{2}{U}
Wavebreak Hippocamp
Enchantment Creature - Horse Fish
Whenever you cast your first spell during each opponent's turn, draw a card.
2 /
2
{2}{U}
Wavebreak Hippocamp
Enchantment Creature - Horse Fish
Whenever you cast your first spell during each opponent's turn, draw a card.
2 /
2
{2}{U}
Wavebreak Hippocamp
Enchantment Creature - Horse Fish
Whenever you cast your first spell during each opponent's turn, draw a card.
2 /
2
{1}{U}
Coral Eel
Creature - Fish
2 /
1
{1}{U}
Coral Eel
Creature - Fish
2 /
1
{1}{U}
Echoing Truth
Instant
Return target nonland permanent and all other permanents with the same name as that permanent to their owners' hands.
{1}{U}
Echoing Truth
Instant
Return target nonland permanent and all other permanents with the same name as that permanent to their owners' hands.
{1}{U}
Remand
Instant
Counter target spell. If that spell is countered this way, put it into its owner's hand instead of into that player's graveyard.
Draw a card.
{U}
Spell Pierce
Instant
Counter target noncreature spell unless its controller pays {2}.
{U}
Vapor Snag
Instant
Return target creature to its owner's hand. Its controller loses 1 life.