Step 1
Strong base income
The card already beats the earner it replaces by a useful margin.
Resource timing
Mutate the card you will keep, not the pull you just met
The developer confirms that rare mutated cards exist. July code reports also mention Mutation Potions and Trait Gems, but public official data does not expose a complete mutation table or fixed odds. The useful decision is when to spend.
Quick answer
Wait until the base card survives the next pack
Quick answer
Do not use scarce resources to rescue a weak card.
A mutation can improve a card, but it does not erase a poor starting decision. If the next pack is likely to replace the card, preserve the resource and improve the base lineup first.
- 1Place the card and measure its replacement gain.
- 2Compare its next upgrade with the next affordable pack.
- 3Spend a potion or Trait Gems only after the card still looks like a keeper.
Keeper test
Three checks before you commit
Step 2
Room to last
The next pack tier or obvious upgrade does not make the card immediately disposable.
Step 3
Known budget
You can spend the mutation resource without blocking the pack or upgrade that moves the whole farm.
Decision table
Spend now, wait, or skip
| Card situation | Decision | Why |
|---|---|---|
| New best card with a large replacement gain | Consider spending | It is already useful before the mutation and has a reason to stay. |
| Middle card likely to leave next | Wait | The resource may deliver more value on the next real keeper. |
| Weak card with attractive artwork | Skip | Presentation is not a substitute for farm income. |
| You do not know what the resource does | Test cautiously | Use the game's current tooltip or a low-risk card; do not assume an old guide is current. |
What is confirmed
The line between evidence and guesswork
Confirmed publicly
- The official description says rare mutated cards can be obtained.
- July code publications reported Mutation Potions and Trait Gems as rewards.
- Card upgrades are part of the official core loop.
Read from the live game
- Current mutation names and effects.
- Current odds or pity mechanics.
- Exact resource costs and whether an update changed them.