Spell
NormalHeavy Interlock
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4401
This card is used to Ritual Summon "Borreload Riot Dragon". You must also Tribute monsters from your hand or field, and/or destroy "Rokket" monsters from your hand or face-up field, whose total Levels equal 8 or more. The monster Special Summoned by this effect cannot be destroyed by battle with a monster Special Summoned from the Extra Deck, and is unaffected by the activated effect of any monster Special Summoned from the Extra Deck.
Heavy Interlock — Power Evaluation
Final Score: 44 ± 8 · Confidence: Medium
- Intrinsic: 42 · Deck: 46 · Meta: provisional
- Primary role: Starter / Combo enabler · Secondary: Material body
Why it scores here
Heavy Interlock is a Ritual Spell whose only job is to enable the Ritual Summon of Borreload Riot Dragon, paying a tribute or Rokket-destroy cost of total Level 8 or more. Its score comes from that conversion: it is in all 400 sampled decks and the sampled combo converts into a 2-starter, 2-end-monster board, but the card is a -1 with no interaction and no material value of its own. High raw stats of the monster it summons earn nothing here; the score rests on access and the cost of running one copy.
Axis scores
| Axis | Score | Evidence |
|---|---|---|
| Accessibility | 55 | Single copy is run in 400 of 400 decks, but it is dead without a Ritual monster and Rokket or other tribute bodies in hand or field (verified deck stats; the combo starter count of 2 is observed) (observed). |
| Combo & Conversion | 50 | Its one sampled combo (power index 38) builds two end monsters with net card advantage 2, but that combo's combo role list is empty, so the card's exact share of the conversion is inferred (observed). |
| Resource Economy | 35 | It is a spell that costs itself and gives no refuel, draw or search, so net advantage is negative before the ritual body is counted (verified from card text) (inferred). |
| Effect & Interaction | 5 | The card text has no negation, removal or hand-trap effect; the only restriction it places is on the summoned monster, which is not opponent interaction (verified from card text). |
| Material Utility | 10 | As a spell it is never material; the tributes it demands are other cards' bodies, so this axis reflects only the small value of a Ritual Spell that is never on the field (inferred). |
| Resilience & Flexibility | 30 | It is a single spell with no redundancy and no recovery route, and it is fragile to the usual spell and trap answers, though no sampled evidence measures that (inferred). |
| Deck-Building Efficiency | 60 | One copy in almost every deck is a cheap slot that is never garnet-locked, but it commits the deck to Ritual Summon lines and a Rokket-tribute cost (verified deck copies distribution) (inferred). |
Calculation
Weight profile: 0.7 Starter / Combo enabler + 0.3 Material body. Intrinsic ≈ 42, Deck ≈ 46, Meta = provisional. Modifiers: none. Final formula: 0.40*Intrinsic + 0.60*Deck
Strengths
- Included in all 400 sampled Borrel Link-era decks, so the Ritual line is reliably live
- Single copy, low slot cost, and no garnet or lock restriction
- Summoned body is the centre of the sampled combo (power index 38, net card advantage 2)
Weaknesses
- A -1 with no refuel, search, draw or interaction of its own
- Dead without a Ritual monster and tribute or Rokket bodies, so it is not a standalone starter
- Summoned-monster clauses are fiddly to play and easy to misapply (timing and total-Level rules)
- High ATK of the summoned monster earns nothing for this card
Counters / choke points
- Spell and trap removal or negation on the Ritual Spell before resolution
- Hand traps or board interaction that removes the tribute bodies (Rokket or Level-8 requirement)
Best use
Ritual Spell enabler for Borreload Riot Dragon in Borrel and Rokket Link lines. Decks: Borrel Link, Rokket, Dragon Link, Borrel. Suggested copies: 1.
Evidence & gaps
- Verified: Card text: Ritual Summon of Borreload Riot Dragon with tribute or Rokket destruction of total Level 8 or more; Single copy in 397 of 400 decks; 400 of 400 decks run it in the main deck; Borreload Riot Dragon is the top partner at 98.5% co-occurrence
- Observed: Appears in 1 of 1 sampled combo with power index 38 and 2 starters; Borrel Link archetype accounts for 77% of decks; Usage statistics: Rokket inclusion 100% at 3 typical copies, a single archetype sample
- Inferred: Converts into a body only when the tribute or Rokket cost is already met; Its effect-negated body value is near zero, since the card is a spell; Negative resource economy because it is a spell with no return
- Data gaps: No banlist token; assumed 3 copies (unlimited) Only 1 combo sample, with empty combo role, so the card's share of the conversion is not measured No top-card ranking; usage statistics cover only one archetype No rulings or Vietnamese-side text beyond the card description