Deck upgrade calculator

Pick cards or just set a rarity per slot — the cost depends only on rarity and levels, so you don’t need specific cards. Set current and target levels and we’ll count the copies and gold, plus the gems it takes to buy any copies you’re short of. Levels of player #U8YJJ2U.

Total to target

2.2M
Gold
19.5K
Copies
47.1K
Gems
Common
13,471
Rare
5,150
Epic
830
Legendary
67

Every level costs copies + gold. If you don’t have enough copies, the missing ones can be bought with gems — so an upgrade is either copies + gold, or gems (for the missing copies) + gold. Gem prices follow the official table (December 2025), proportional to the shortage; gold itself is not converted to gems.

  • Skeletons1
    13.5K copies310K gold4.9K gems
    Now
    12
    Target
    16
  • Ice Golem2
    1.7K copies310K gold3.6K gems
    Now
    12
    Target
    16
  • Mega Minion3
    924 copies120K gold2K gems
    Now
    15
    Target
    16
  • The Log4
    13 copies120K gold2.7K gems
    Now
    15
    Target
    16
  • X-Bow5
    400 copies335K gold8.3K gems
    Now
    11
    Target
    16
  • Rocket6
    2.6K copies310K gold5.4K gems
    Now
    12
    Target
    16
  • Ice Wizard7
    54 copies335K gold11.3K gems
    Now
    11
    Target
    16
  • Tornado8
    430 copies310K gold8.9K gems
    Now
    12
    Target
    16