Burnout

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

Force of Will

You may pay 1 life and remove a blue card in your hand from the game instead of paying Force of Will's casting cost. Effects that prevent or redirect damage cannot be used to counter this loss of life. Counter target spell.

Pyroblast

Counter target spell if it is blue or destroy target permanent if it is blue.

Standstill

When a player plays a spell, sacrifice Standstill. If you do, then each of that player's opponents draws three cards.

Electrolyze

Electrolyze deals 2 damage divided as you choose among any number of target creatures and/or players. Draw a card.

Fire/Ice

Fire deals 2 damage divided as you choose among any number of target creatures and/or players. ——— Tap target permanent.; Draw a card.

Mishra's Factory

{T}: Add one colorless mana to your mana pool. {1}: Mishra's Factory becomes an Assembly Worker, a 2/2 artifact creature, until end of turn. Assembly Worker still counts as a land but cannot be tapped for mana the turn it comes into play. {T}: Target Assembly Worker gets +1/+1 until end of turn.

Stifle

Counter target activated or triggered ability. (Mana abilities can't be countered.)

Cursed Totem

Players can't play activated abilities of creatures.

Boomerang

Return target permanent to its owner's hand.

Pyroclasm

Pyroclasm deals 2 damage to each creature.

Crucible of Worlds

You may play land cards from your graveyard.

Grim Lavamancer

{R}, {T}, Remove two cards in your graveyard from the game: Grim Lavamancer deals 2 damage to target creature or player.

Volcanic Island

Counts as both islands and mountains and is affected by spells that affect either. Tap to add either {U} or {R} to your mana pool.

Counterspell

Counters target spell as it is being cast.

Red Elemental Blast

Counters a blue spell being cast or destroys a blue card in play.

Nevinyrral's Disk

{1}: Destroys all creatures, enchantments, and artifacts in play. Disk begins tapped but can be untapped as usual. Disk destroys itself when used.

Lightning Bolt

Lightning Bolt does 3 damage to one target.

Faerie Conclave

Faerie Conclave comes into play tapped. {T}: Add one blue mana to your mana pool. {1}{U}: Faerie Conclave becomes a 2/1 blue creature with flying until end of turn. This creature still counts as a land.

Arcane Laboratory

Each player cannot play more than one spell each turn.

Null Rod

Players cannot play any artifact abilities requiring an activation cost.

Bloodstained Mire

Polluted Delta

Brainstorm

Fact or Fiction

Wasteland

Island

({T}: Add {U}.)

Mountain

({T}: Add {R}.)