{T}: Add one mana of any color in your commander's color identity.
{3}{U}
Bond of Insight
Sorcery
Each player mills four cards. Return up to two instant and/or sorcery cards from your graveyard to your hand. Exile Bond of Insight.
--
Command Beacon
Land
{T}: Add {C}.
{T}, Sacrifice Command Beacon: Put your commander into your hand from the command zone.
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
{1}{U}
Compulsion
Enchantment
{1}{U}, Discard a card: Draw a card.
{1}{U}, Sacrifice Compulsion: Draw a card.
{1}{U}{U}{U}
Cryptic Command
Instant
Choose two --
• Counter target spell.
• Return target permanent to its owner's hand.
• Tap all creatures your opponents control.
• Draw a card.
{2}{U}
Curse of Verbosity
Enchantment - Aura Curse
Enchant player
Whenever enchanted player is attacked, you draw a card. Each opponent attacking that player does the same.
--
Exotic Orchard
Land
{T}: Add one mana of any color that a land an opponent controls could produce.
--
Fabled Passage
Land
{T}, Sacrifice Fabled Passage: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control four or more lands, untap that land.
{2}
Fellwar Stone
Artifact
{T}: Add one mana of any color that a land an opponent controls could produce.
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
{2}{U}
Monastery Siege
Enchantment
As Monastery Siege enters the battlefield, choose Khans or Dragons.
• Khans -- At the beginning of your draw step, draw an additional card, then discard a card.
• Dragons -- Spells your opponents cast that target you or a permanent you control cost {2} more to cast.
{3}{U}{U}
Morphling
Creature - Shapeshifter
{U}: Untap Morphling.
{U}: Morphling gains flying until end of turn.
{U}: Morphling gains shroud until end of turn. (It can't be the target of spells or abilities.)
{1}: Morphling gets +1/-1 until end of turn.
{1}: Morphling gets -1/+1 until end of turn.
3 /
3
{3}{U}{U}
Mystic Confluence
Instant
Choose three. You may choose the same mode more than once.
• Counter target spell unless its controller pays {3}.
• Return target creature to its owner's hand.
• Draw a card.
{2}
Prismatic Lens
Artifact
{T}: Add {C}.
{1}, {T}: Add one mana of any color.
{2}{U}{U}
Subtlety
Creature - Elemental Incarnation
Flash
Flying
When Subtlety enters the battlefield, choose up to one target creature spell or planeswalker spell. Its owner puts it on the top or bottom of their library.
Evoke--Exile a blue card from your hand.
3 /
3
--
Thriving Isle
Land
Thriving Isle enters the battlefield tapped.
As Thriving Isle enters the battlefield, choose a color other than blue.
{T}: Add {U} or one mana of the chosen color.
{3}{U}
Vantress Paladin
Creature - Human Knight
Flying
Adamant -- If at least three blue mana was spent to cast this spell, Vantress Paladin enters the battlefield with a +1/+1 counter on it.
2 /
2
--
Vivid Creek
Land
Vivid Creek enters the battlefield tapped with two charge counters on it.
{T}: Add {U}.
{T}, Remove a charge counter from Vivid Creek: Add one mana of any color.