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 #R9YULVG2U.

Total to target

900K
Gold
1.1K
Copies
12.8K
Gems
Common
780
Epic
259
Legendary
9
Champion
13

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
    780 copies210K gold281 gems
    Now
    14
    Target
    16
  • Little Prince2
    13 copies120K gold5.2K gems
    Now
    15
    Target
    16
  • Bats3
    0 copies0 gold0 gems
    Now
    16
    Target
    16
  • Miner4
    9 copies120K gold1.9K gems
    Now
    15
    Target
    16
  • Poison5
    0 copies0 gold0 gems
    Now
    16
    Target
    16
  • Rune Giant6
    259 copies210K gold5.4K gems
    Now
    14
    Target
    16
  • Barbarian Barrel7
    0 copies120K gold0 gems
    Now
    15
    Target
    16
  • Goblin Hut8
    0 copies120K gold0 gems
    Now
    15
    Target
    16