Spell
ContinuousJam Breeding Machine
Archetype:
Slime
View:
4971
During each of your Standby Phases: Special Summon 1 "Slime Token" (Aqua-Type/WATER/LEVEL 1/ATK 500/DEF 500) in Attack Position. You cannot Summon any monsters, except "Slime Tokens" (but you can Set).
Jam Breeding Machine — Power Evaluation
Final Score: 42 ± 8 · Confidence: Medium
- Intrinsic: 40 · Deck: 43 · Meta: provisional
- Primary role: Utility · Secondary: Material body, Boss/End-board
Why it scores here
Jam Breeding Machine converts itself into a stream of free Level 1 WATER Slime Tokens every Standby Phase, which is real board presence and repeated value for a single card in hand. Its score is held down by the self-lock: while it is face-up you cannot Summon any monster except Slime Tokens, so it trades your own monster development for the token stream, and one negate or removal ends the engine. High deck count (29 sampled decks across 9 archetypes) confirms the card is a practical, portable pick, but it earns no points for its ATK-less body or popularity; the observed deck evidence was used only for accessibility and deck resilience.
Axis scores
| Axis | Score | Evidence |
|---|---|---|
| Accessibility | 45 | The card is a single Spell in hand that is live once played, and it appears in 29 sampled decks across 9 archetypes, but there is no searcher or combo-start data to show a reliable route to it (inferred from deck spread). |
| Combo & Conversion | 45 | The text converts one card into a repeated Level 1 token each Standby Phase, but there are zero recorded combo boards, so the conversion rate is text-only (inferred). |
| Resource Economy | 55 | Each Standby Phase generates a free token with no card cost, which is repeated advantage from one card (verified from text), though no refuel or draw is printed. |
| Effect & Interaction | 10 | The card has no negation, removal, or hand-trap effect and provides no opponent interaction (verified from text). |
| Material Utility | 30 | The card itself is a Spell and cannot be material; its value is the Level 1 WATER tokens it creates, which are useful generic fodder while the card is face-up (inferred from text). |
| Resilience & Flexibility | 35 | The engine lives on the field across turns, but a single negate or removal ends the token stream and no redundancy is printed (inferred from text and card type). |
| Deck-Building Efficiency | 25 | The self-lock that stops monster Summons except Slime Tokens is a real restriction that forces a deck to build around it, which is a heavy cost to run (verified from text, with deck spread as observed context). |
Calculation
Weight profile: 0.7 Utility + 0.3 Material body. Intrinsic ≈ 40, Deck ≈ 43, Meta = provisional. Modifiers: Self-locking restriction (-4). Final formula: 0.40*Intrinsic + 0.60*Deck
Strengths
- Generates a free Level 1 WATER token every Standby Phase from one card
- Tokens are generic Level 1 material while the engine is online
- Runs in 29 sampled decks across 9 archetypes, so the card is portable
Weaknesses
- Self-locks monster Summons except Slime Tokens
- A single negate or removal ends the token stream
- No printed search, draw, or refuel to recover card economy
Counters / choke points
- Negation of the face-up Spell ends the engine (inferred from card type)
- Removal or destruction of the Spell (inferred from card type)
Best use
Repeated token generator that fuels Slime material, run as a one-copy engine. Decks: Slime support decks, Ra and Slifer shells (top partners The Winged Dragon of Ra and Slifer the Sky Dragon, both at 55%). Suggested copies: 1.
Evidence & gaps
- Verified: Continuous Spell with a Standby Phase token-creation effect (Level 1 WATER Slime Token); Cannot Summon monsters except Slime Tokens while face-up (self-lock); Appears in 29 sampled decks across 9 archetypes
- Observed: Ra and Slifer are the top co-decked partners (16 of 29 decks each); Copies per deck average 1.31 with 23 of 29 decks running one copy
- Inferred: Engine is shut off by negation or removal of the face-up Spell; Tokens serve as generic Level 1 material
- Data gaps: no combos supplied; combo conversion is text-only inference no guides supplied no banlist token; assumed 3 copies (unlimited) no usage statistics (StatisticsCard); inclusion % is inferred from the deck sample only no searcher or as_starter data to confirm accessibility routes