My current world top4 lvl21 deck )

Paper_pony
Pro
(1591)
3/12/185350Gwent Scraps
Winch
Winch
Create a Bronze Northern Realms Machine.
Winch
Winch
Create a Bronze Northern Realms Machine.
Winch
Winch
Create a Bronze Northern Realms Machine.
Dun Banner
Dun Banner
If you are losing by more than 20 on turn start, Summon this unit.
Dun Banner
Dun Banner
If you are losing by more than 20 on turn start, Summon this unit.
Dun Banner
Dun Banner
If you are losing by more than 20 on turn start, Summon this unit.
Reinforced Ballista
Reinforced Ballista
Deal 2 damage to an enemy.
Crewed: Repeat its ability.
Ronvid the Incessant
Ronvid the Incessant
Resurrect on a random row with 1 power on turn end.
Crew.
Dethmold
Dethmold
Spawn Torrential Rain, Clear Skies or Alzur's Thunder.
Shani
Shani
Resurrect a non-Cursed Bronze or Silver unit and give it 2 Armor.
Siege Master
Siege Master
Heal an allied Bronze or Silver Machine and repeat its ability.
Crew.
Siege Master
Siege Master
Heal an allied Bronze or Silver Machine and repeat its ability.
Crew.
Siege Master
Siege Master
Heal an allied Bronze or Silver Machine and repeat its ability.
Crew.
Kaedweni Sergeant
Kaedweni Sergeant
Clear Hazards from its row.
3 Armor.
Crew.
Reinforcements
Reinforcements
Play a Bronze or Silver Soldier, Machine, Officer or Support unit from your deck.
Scorch
Scorch
Destroy all the Highest units.
Villentretenmerth
Villentretenmerth
After 3 turns, destroy all the other Highest units on turn start.
3 Armor.
Vandergrift
Vandergrift
Deal 1 damage to all enemies. If a unit is destroyed, apply Ragh Nar Roog to its row.
Ballista
Ballista
Deal 1 damage to an enemy and up to 4 other enemies with the same power.
Crewed: Repeat its ability.
Battering Ram
Battering Ram
Deal 3 damage to an enemy. If it's destroyed, deal 3 damage to another enemy.
Crewed: Increase initial damage by 1.
Battering Ram
Battering Ram
Deal 3 damage to an enemy. If it's destroyed, deal 3 damage to another enemy.
Crewed: Increase initial damage by 1.
Battering Ram
Battering Ram
Deal 3 damage to an enemy. If it's destroyed, deal 3 damage to another enemy.
Crewed: Increase initial damage by 1.
Alzur's Double–Cross
Alzur's Double–Cross
Boost the Highest Bronze or Silver unit in your deck by 2, then play it.
Thaler
Thaler
Spying.
Single-Use: Draw 2 cards, keep one and return the other to your deck.
John Natalis
John Natalis
Play a Bronze or Silver Tactic from your deck.
10
Villentretenmerth
After 3 turns, destroy all the other Highest units on turn start.
3 Armor.
4
Shani
Resurrect a non-Cursed Bronze or Silver unit and give it 2 Armor.
6
John Natalis
Play a Bronze or Silver Tactic from your deck.
7
Vandergrift
Deal 1 damage to all enemies. If a unit is destroyed, apply Ragh Nar Roog to its row.
Alzur's Double–Cross
Boost the Highest Bronze or Silver unit in your deck by 2, then play it.
Reinforcements
Play a Bronze or Silver Soldier, Machine, Officer or Support unit from your deck.
Scorch
Destroy all the Highest units.
11
Ronvid the Incessant
Resurrect on a random row with 1 power on turn end.
Crew.
13
Thaler
Spying.
Single-Use: Draw 2 cards, keep one and return the other to your deck.
4
Dethmold
Spawn Torrential Rain, Clear Skies or Alzur's Thunder.
Winchx3
Create a Bronze Northern Realms Machine.
4
Dun Bannerx3
If you are losing by more than 20 on turn start, Summon this unit.
6
Ballista
Deal 1 damage to an enemy and up to 4 other enemies with the same power.
Crewed: Repeat its ability.
6
Battering Ramx3
Deal 3 damage to an enemy. If it's destroyed, deal 3 damage to another enemy.
Crewed: Increase initial damage by 1.
6
Siege Masterx3
Heal an allied Bronze or Silver Machine and repeat its ability.
Crew.
7
Reinforced Ballista
Deal 2 damage to an enemy.
Crewed: Repeat its ability.
9
Kaedweni Sergeant
Clear Hazards from its row.
3 Armor.
Crew.

Brief Summary of Build

Typical Scorch deck with some meta changes.

Card Replacements

You can trade Shani for new Triss, Vandgergrift for Seldkirk. Dethmold for Nenneke.