Spell
ContinuousWave-Motion Cannon
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3966
During your Main Phase: You can send this face-up card to the GY; inflict 1000 damage to your opponent for each of your Standby Phases that have passed since this card was activated.
Wave-Motion Cannon — Power Evaluation
Final Score: 39 ± 7 · Confidence: Medium
- Intrinsic: 38 · Deck: 40 · Meta: provisional
- Primary role: Utility · Secondary: Boss/End-board
Why it scores here
Wave-Motion Cannon converts one card slot into slow, telegraphed burn: it must sit face-up through your Standby Phases before it does anything, and then it trades itself away for 1000 damage per elapsed Standby Phase. It builds no board, provides no bodies (it is a Continuous Spell, so it can never be material), and offers zero disruption, which is why its 0 combo appearances and 0 interaction matter far more than its damage potential. The 146 decks and 41 distinct archetypes confirm it is genuinely playable and easy to slot into burn-style shells, but per the rubric that popularity confirms accessibility only — it does not raise the power score. Its raw numbers (no ATK/DEF to speak of, no rarity) earn nothing here.
Axis scores
| Axis | Score | Evidence |
|---|---|---|
| Accessibility | 52 | A plain Continuous Spell that can be activated straight from hand with no cost or setup, but no search route appears in the evidence and its effect is inert until it survives a Standby Phase (verified text; inferred route gap). |
| Combo & Conversion | 16 | combo data shows 0 appearances, 0 starter role and 0 material role across recorded boards, so it builds nothing from a realistic start (observed). |
| Resource Economy | 36 | It is a one-for-zero trade in card advantage that pays back only as 1000 damage per elapsed Standby Phase, then sends itself to the GY (verified text). |
| Effect & Interaction | 8 | The text contains no disruption, negation or removal of any kind — it only inflicts damage (verified text). |
| Material Utility | 3 | As a Continuous Spell it has no body and can never be used as material, even when its effect is negated (verified text). |
| Resilience & Flexibility | 22 | A single S/T removal effect (top partners include Galaxy Cyclone and Harpie's Feather Duster in 42-51% of its decks) wipes out all accumulated damage for one card (observed/inferred). |
| Deck-Building Efficiency | 50 | No garnet, no lock and no engine requirement — it is main-decked in 146 decks at 1.92 average copies across 41 distinct archetypes, but is dead weight outside burn-oriented lists (observed). |
Calculation
Weight profile: 0.7 Utility/no-clear-role (default) + 0.3 Boss/End-board (slow burn payoff): (.18,.16,.12,.14,.14,.14,.12). Intrinsic ≈ 38, Deck ≈ 40, Meta = provisional. Modifiers: none. Final formula: 0.40*Intrinsic + 0.60*Deck
Strengths
- Zero cost, zero setup: it can be activated from hand immediately in any deck.
- Damage scales with time — 1000 per elapsed Standby Phase can become 2000-3000 from one card.
- No restriction, no lock, and up to 3 copies are legal in the listed formats, so redundancy is cheap.
- Appears in 146 decks across 41 distinct archetypes at 1.92 average copies, showing real, repeatable inclusion.
Weaknesses
- Does nothing on the turn it is activated — the payoff requires surviving to your Standby Phase(s).
- Any Spell/Trap removal at any point erases all accumulated damage for a single card.
- Produces no board presence, no monster body and therefore no material value.
- Not searchable within the supplied evidence, and it offers no disruption against an established board.
- Effectively a dead card in modern combo decks; its homes are burn/control lists.
Counters / choke points
- Mystical Space Typhoon
- Cosmic Cyclone
- Galaxy Cyclone
- Harpie's Feather Duster
- Heavy Storm
- Lightning Storm
- Any Spell/Trap removal chained to its activation or aimed at it before your next Standby Phase
Best use
Slow burn payoff / utility Continuous Spell in dedicated damage-oriented shells. Decks: Burn, Sacred Beast, Amazoness, Tistina. Suggested copies: 2.
Evidence & gaps
- Verified: Card text: 'During your Main Phase: You can send this face-up card to the GY; inflict 1000 damage to your opponent for each of your Standby Phases that have passed since this card was activated.'; It is a Continuous Spell Card with no ATK/DEF and no archetype.; It is listed as legal in TCG, OCG, MasterDuel and DuelLinks.; The text grants no negation, removal or disruption of any kind.
- Observed: 146 of the sampled decks main-deck it (0 in side) at 1.92 average copies, max 3.; It is spread over 41 distinct archetypes, led by Sacred Beast 20.5%, Amazoness 9.6% and Tistina 8.9%.; combo data records 0 appearances across recorded boards, with 0 starter role and 0 material role.; Top partners are burn/staple cards: Magic Cylinder 51.4%, Harpie's Feather Duster 50.7%, Mirror Force 49.3%, Galaxy Cyclone 42.5%.; usage statistics reports 100% inclusion at 3 copies in the 'Royal' deck archetype (single-archetype sample).
- Inferred: Because only Standby Phases that have passed since activation count, the card cannot pay off in the turn it is activated.; Any Spell/Trap removal before the payoff turn converts it into a pure -1, given the observed frequency of Cyclone/Feather Duster alongside it.; With 0 combo appearances it functions as a standalone damage source rather than an engine piece.; Being a Spell, it can never serve as material for a Summon.
- Data gaps: no combos supplied — combo conversion is text-only inference no guides supplied no banlist token — assumed 3 copies (unlimited) no dated metagame sample, so meta power is null and the final score is provisional usage statistics covers only one archetype ('Royal'), so cross-archetype inclusion cannot be calibrated