Whenever a player casts a blue spell, you may gain 1 life.

Equipped creature gets +2/+2 and has protection from red and from blue. Whenever equipped creature deals combat damage to a player, Sword of Fire and Ice deals 2 damage to any target and you draw a card. Equip {2}

This spell can't be countered. Flying, trample, protection from white and from blue {R}: Akroma, Angel of Fury gets +1/+0 until end of turn. Morph {3}{R}{R}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Flying Fylamarid can't be blocked by blue creatures. {U}: Target creature becomes blue until end of turn.

This spell can't be countered. Protection from blue and from black (This creature can't be blocked, targeted, dealt damage, or enchanted by anything blue or black.)

{R}, {T}, Discard a card: Destroy target blue permanent. {1}{R}, {T}, Discard a card: Jaya Ballard, Task Mage deals 3 damage to any target. A creature dealt damage this way can't be regenerated this turn. {5}{R}{R}, {T}, Discard a card: Jaya Ballard deals 6 damage to each creature and each player.

When Llawan, Cephalid Empress enters the battlefield, return all blue creatures your opponents control to their owners' hands. Your opponents can't cast blue creature spells.

Flying Metathran Transport can't be blocked by blue creatures. {U}: Target creature becomes blue until end of turn.

This spell can't be countered. Haste, protection from blue Mistcutter Hydra enters the battlefield with X +1/+1 counters on it.

Protection from blue

Protection from blue, from black, and from red

{R}{G}{W}: Prevent all combat damage blue creatures and black creatures would deal this turn.

Trample, protection from blue and from red

Flash Flying, protection from blue Return a Forest you control to its owner's hand: Untap target creature. Activate only once each turn.

This spell can't be countered. Protection from blue (This creature can't be blocked, targeted, dealt damage, enchanted, or equipped by anything blue.) {G}: Shifting Ceratops gains your choice of reach, trample, or haste until end of turn.

Flash This spell can't be countered. Reach, protection from blue

Creatures you control can't be the targets of blue spells or abilities from blue sources.

{T}: Destroy target blue creature.

Flying, protection from blue

Enchant creature Enchanted creature can't be blocked by blue creatures. Enchanted creature gets +2/+2 as long as an opponent controls a blue permanent.

Enchant creature Enchanted creature has protection from blue. This effect doesn't remove Blue Ward.

{1}: The next time a blue source of your choice would deal damage to you this turn, prevent that damage.

Whenever an opponent casts a blue spell during your turn, you may create a 4/4 green Elemental creature token.

Cumulative upkeep {R} (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.) Blue creatures can't block creatures you control. Nonblue creatures can't block creatures you control unless their controller pays 1 life for each blocking creature they control.

White creatures and blue creatures can't block.

Blue creatures don't untap during their controllers' untap steps. At the beginning of each player's upkeep, that player may choose any number of tapped blue creatures they control and pay {4} for each creature chosen this way. If the player does, untap those creatures.

At the beginning of your upkeep, sacrifice Nature's Wrath unless you pay {G}. Whenever a player puts an Island or blue permanent onto the battlefield, that player sacrifices an Island or blue permanent. Whenever a player puts a Swamp or black permanent onto the battlefield, that player sacrifices a Swamp or black permanent.

{W}: The next time a blue source of your choice would deal damage to you this turn, prevent that damage. Cycling {2} ({2}, Discard this card: Draw a card.)

Enchant creature Enchanted creature has protection from green and from blue.

Whenever an opponent casts a blue or black spell, you may create a 1/1 green Snake creature token.

If a blue source would deal damage to you, prevent 2 of that damage.

Choose one — • Destroy target blue permanent. • Return target Island to its owner's hand.

Spells you control can't be countered by blue or black spells this turn, and creatures you control can't be the targets of blue or black spells this turn.

Counter target instant spell if it's blue. Draw a card at the beginning of the next turn's upkeep.

Chaotic Backlash deals damage to target player equal to twice the number of white and/or blue permanents they control.

This spell can't be countered. Combust deals 5 damage to target white or blue creature. The damage can't be prevented.

Choose one — • Destroy target blue or black noncreature permanent. • Permanents you control can't be the targets of blue or black spells your opponents control this turn.

Until end of turn, creatures you control gain protection from white if you control a Plains, from blue if you control an Island, from black if you control a Swamp, from red if you control a Mountain, and from green if you control a Forest.

Destroy target artifact or enchantment. If that permanent was blue or black, draw a card.

This spell can't be countered. Fry deals 5 damage to target creature or planeswalker that's white or blue.

Counter target blue spell.

Destroy target creature with flying. If that creature was blue or black, create a 1/2 green Spider creature token with reach. (It can block creatures with flying.)

Counter target blue instant spell.

This spell costs {3} less to cast if it targets a blue permanent you don't control. This spell can't be countered. Target creature you control gets +1/+1 until end of turn. Then it deals damage equal to its power to target creature or planeswalker you don't control.

Ignite Disorder deals 3 damage divided as you choose among one, two, or three target white and/or blue creatures.

Counter target blue spell. If it was a Jace planeswalker spell, scry 2.

Lightning Dart deals 1 damage to target creature. If that creature is white or blue, Lightning Dart deals 4 damage to it instead.

This spell costs {2} less to cast if it targets a blue spell. Counter target spell unless its controller pays {3}.

Choose one — • Parch deals 2 damage to any target. • Parch deals 4 damage to target blue creature.

Choose one — • Counter target spell if it's blue. • Destroy target permanent if it's blue.

Choose one — • Counter target blue spell. • Destroy target blue permanent.

This spell can't be countered. Rending Volley deals 4 damage to target white or blue creature.

If an opponent cast a blue spell this turn, you may pay {R} rather than pay this spell's mana cost. Change the target of target spell with a single target.

Tap all blue creatures.

Cast this spell only during your turn. Take an extra turn after this one if an opponent cast a blue spell this turn.

Target player reveals their hand. For each blue instant card revealed this way, that player discards that card unless they pay 4 life.

This spell costs {2} less to cast if it targets a blue permanent. This spell can't be countered. Torch Breath deals X damage to target creature or planeswalker.

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

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{T}: Add one mana of any color that a land an opponent controls could produce.

{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.

{T}, Pay 1 life: Add {U} or {R}. {1}, {T}, Sacrifice Fiery Islet: Draw a card.

{T}: Add one mana of any color. Whenever you tap Forbidden Orchard for mana, target opponent creates a 1/1 colorless Spirit creature token.

({T}: Add {G}.)

{T}: Add {C}. {T}: Add {R} or {G}. Each opponent gains 1 life.

{T}, Pay 1 life: Add {G} or {W}. {1}, {T}, Sacrifice Horizon Canopy: Draw a card.

({T}: Add {U}.)

({T}: Add {R}, {G}, or {W}.) Jetmir's Garden enters the battlefield tapped. Cycling {3} ({3}, Discard this card: Draw a card.)

({T}: Add {G}, {U}, or {R}.) Ketria Triome enters the battlefield tapped. Cycling {3} ({3}, Discard this card: Draw a card.)

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

{1}, {T}: Add {R}{G}.

({T}: Add {R}.)

{T}: Add {C}. {T}: Add {W}. Activate only if you control an Island. {T}: Add {U}. Activate only if you control a Plains.

({T}: Add {W}.)

({T}: Add {U}, {R}, or {W}.) Raugrin Triome enters the battlefield tapped. Cycling {3} ({3}, Discard this card: Draw a card.)

{1}, {T}: Add {W}{U}.

({T}: Add {G}, {W}, or {U}.) Spara's Headquarters enters the battlefield tapped. Cycling {3} ({3}, Discard this card: Draw a card.)

{T}, Pay 1 life: Add {R} or {W}. {1}, {T}, Sacrifice Sunbaked Canyon: Draw a card.

{1}, {T}: Add {G}{W}.

{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

This spell can't be countered. Lithomantic Barrage deals 1 damage to target creature or planeswalker. It deals 5 damage instead if that target is white and/or blue.

Choose one — • Destroy target Plains and target white creature. • Destroy target Island and target blue creature.

Tropical Storm deals X damage to each creature with flying and 1 additional damage to each blue creature.