UR CounterBurn by Cesare Melandri

Main Deck

Black Vise
Artifact
As Black Vise enters the battlefield, choose an opponent.
At the beginning of the chosen player's upkeep, Black Vise deals X damage to that player, where X is the number of cards in their hand minus 4.
Lightning Bolt
Instant
Lightning Bolt deals 3 damage to any target.
Chain Lightning
Sorcery
Chain Lightning deals 3 damage to any target. Then that player or that permanent's controller may pay . If the player does, they may copy this spell and may choose a new target for that copy.
Psionic Blast
Instant
Psionic Blast deals 4 damage to any target and 2 damage to you.
Serendib Efreet
Creature — Efreet
Flying
At the beginning of your upkeep, Serendib Efreet deals 1 damage to you.
Black Vise
Artifact
As Black Vise enters the battlefield, choose an opponent.
At the beginning of the chosen player's upkeep, Black Vise deals X damage to that player, where X is the number of cards in their hand minus 4.
Lightning Bolt
Instant
Lightning Bolt deals 3 damage to any target.
Chain Lightning
Sorcery
Chain Lightning deals 3 damage to any target. Then that player or that permanent's controller may pay . If the player does, they may copy this spell and may choose a new target for that copy.
Psionic Blast
Instant
Psionic Blast deals 4 damage to any target and 2 damage to you.
Serendib Efreet
Creature — Efreet
Flying
At the beginning of your upkeep, Serendib Efreet deals 1 damage to you.
Black Vise
Artifact
As Black Vise enters the battlefield, choose an opponent.
At the beginning of the chosen player's upkeep, Black Vise deals X damage to that player, where X is the number of cards in their hand minus 4.
Lightning Bolt
Instant
Lightning Bolt deals 3 damage to any target.
Chain Lightning
Sorcery
Chain Lightning deals 3 damage to any target. Then that player or that permanent's controller may pay . If the player does, they may copy this spell and may choose a new target for that copy.
Psionic Blast
Instant
Psionic Blast deals 4 damage to any target and 2 damage to you.
Serendib Efreet
Creature — Efreet
Flying
At the beginning of your upkeep, Serendib Efreet deals 1 damage to you.
Black Vise
Artifact
As Black Vise enters the battlefield, choose an opponent.
At the beginning of the chosen player's upkeep, Black Vise deals X damage to that player, where X is the number of cards in their hand minus 4.
Lightning Bolt
Instant
Lightning Bolt deals 3 damage to any target.
Chain Lightning
Sorcery
Chain Lightning deals 3 damage to any target. Then that player or that permanent's controller may pay . If the player does, they may copy this spell and may choose a new target for that copy.
Psionic Blast
Instant
Psionic Blast deals 4 damage to any target and 2 damage to you.
Serendib Efreet
Creature — Efreet
Flying
At the beginning of your upkeep, Serendib Efreet deals 1 damage to you.
Counterspell
Instant
Counter target spell.
Hurkyl's Recall
Instant
Return all artifacts target player owns to their hand.
Mox Jet
Artifact
: Add .
Mana Drain
Instant
Counter target spell. At the beginning of your next main phase, add an amount of equal to that spell's mana value.
Wheel of Fortune
Sorcery
Each player discards their hand, then draws seven cards.
Counterspell
Instant
Counter target spell.
Hurkyl's Recall
Instant
Return all artifacts target player owns to their hand.
Sol Ring
Artifact
: Add .
Chaos Orb
Artifact
, : If Chaos Orb is on the battlefield, flip Chaos Orb onto the battlefield from a height of at least one foot. If Chaos Orb turns over completely at least once during the flip, destroy all nontoken permanents it touches. Then destroy Chaos Orb.
Timetwister
Sorcery
Each player shuffles their hand and graveyard into their library, then draws seven cards. (Then put Timetwister into its owner's graveyard.)
Counterspell
Instant
Counter target spell.
Mox Sapphire
Artifact
: Add .
Fireball
Sorcery
This spell costs more to cast for each target beyond the first.
Fireball deals X damage divided evenly, rounded down, among any number of targets.
Recall
Sorcery
Discard X cards, then return a card from your graveyard to your hand for each card discarded this way. Exile Recall.
Time Walk
Sorcery
Take an extra turn after this one.
Black Lotus
Artifact
, Sacrifice Black Lotus: Add three mana of any one color.
Mox Ruby
Artifact
: Add .
Earthquake
Sorcery
Earthquake deals X damage to each creature without flying and each player.
Fork
Instant
Copy target instant or sorcery spell, except that the copy is red. You may choose new targets for the copy.
Ancestral Recall
Instant
Target player draws three cards.
Mishra's Factory
Land
: Add .
: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.
: Target Assembly-Worker creature gets +1/+1 until end of turn.
Volcanic Island
Land — Island Mountain
(: Add or .)
City of Brass
Land
Whenever City of Brass becomes tapped, it deals 1 damage to you.
: Add one mana of any color.
Strip Mine
Land
: Add .
, Sacrifice Strip Mine: Destroy target land.
Island
Basic Land — Island
(: Add .)
Mishra's Factory
Land
: Add .
: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.
: Target Assembly-Worker creature gets +1/+1 until end of turn.
Volcanic Island
Land — Island Mountain
(: Add or .)
City of Brass
Land
Whenever City of Brass becomes tapped, it deals 1 damage to you.
: Add one mana of any color.
Mountain
Basic Land — Mountain
(: Add .)
Island
Basic Land — Island
(: Add .)
Mishra's Factory
Land
: Add .
: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.
: Target Assembly-Worker creature gets +1/+1 until end of turn.
Volcanic Island
Land — Island Mountain
(: Add or .)
City of Brass
Land
Whenever City of Brass becomes tapped, it deals 1 damage to you.
: Add one mana of any color.
Island
Basic Land — Island
(: Add .)
Island
Basic Land — Island
(: Add .)
Mishra's Factory
Land
: Add .
: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.
: Target Assembly-Worker creature gets +1/+1 until end of turn.
Volcanic Island
Land — Island Mountain
(: Add or .)
Library of Alexandria
Land
: Add .
: Draw a card. Activate only if you have exactly seven cards in hand.
Island
Basic Land — Island
(: Add .)
Island
Basic Land — Island
(: Add .)

Side

Su-Chi
Artifact Creature — Construct
When Su-Chi dies, add .
Su-Chi
Artifact Creature — Construct
When Su-Chi dies, add .
Su-Chi
Artifact Creature — Construct
When Su-Chi dies, add .
Su-Chi
Artifact Creature — Construct
When Su-Chi dies, add .
Earthquake
Sorcery
Earthquake deals X damage to each creature without flying and each player.
Earthquake
Sorcery
Earthquake deals X damage to each creature without flying and each player.
Red Elemental Blast
Instant
Choose one —
• Counter target blue spell.
• Destroy target blue permanent.
Red Elemental Blast
Instant
Choose one —
• Counter target blue spell.
• Destroy target blue permanent.
Red Elemental Blast
Instant
Choose one —
• Counter target blue spell.
• Destroy target blue permanent.
Blood Moon
Enchantment
Nonbasic lands are Mountains.
Blood Moon
Enchantment
Nonbasic lands are Mountains.
Blood Moon
Enchantment
Nonbasic lands are Mountains.
Maze of Ith
Land
: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.
Maze of Ith
Land
: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.
Maze of Ith
Land
: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.