Spell
NormalMega Ton Magical Cannon
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Remove 10 Spell Counters on your side of the field. Destroy all cards on your opponent's side of the field.
Mega Ton Magical Cannon — Power Evaluation
Final Score: 50 ± 6 · Confidence: Medium
- Intrinsic: 52.18 · Deck: 49.06 · Meta: provisional
- Primary role: Board breaker / Going-second
Why it scores here
Mega Ton Magical Cannon is a powerful universal board wipe that destroys all opponent cards, making it a strong tech option in Spell Counter-focused archetypes like Endymion and Dark Magician. However, the card's 10 Spell Counter cost is substantial and competes directly with those same archetypes' own counter-hungry negation, search, and recursion lines. The complete absence of recorded combos documenting reliable 10-counter buildup sequences limits confidence in its practical consistency. As a one-time Normal Spell vulnerable to any negation and offering no recovery mechanism, it functions as a meta-dependent tech rather than a core enabler.
Axis scores
| Axis | Score | Evidence |
|---|---|---|
| Accessibility | 42 | Appears in only 7 Spell Counter-focused decks as a 1-copy main-deck tech requiring draw or dedicated search rather than opening-hand access (observed) |
| Combo & Conversion | 32 | Zero recorded combos; the card operates as a board-wipe payoff rather than a starter or combo linchpin, with no confirmed buildup paths despite the high resource requirement (inferred) |
| Resource Economy | 42 | Costs all 10 accumulated Spell Counters to clear the opponent's board, a substantial price that directly competes with Endymion's own negation, search, and recursion effects drawing from the same resource pool (inferred) |
| Effect & Interaction | 68 | Destroys all opponent cards universally without targeting restrictions, providing broad board removal against diverse threat profiles, though it lacks negation, hand-trap timing, or floodgate lock mechanisms (verified) |
| Material Utility | 8 | Spell Card type precludes use as monster material for Synchro, Xyz, Link, or Fusion summons; no utility value when effect is negated (verified) |
| Resilience & Flexibility | 26 | Single-use Normal Spell with a one-turn window and complete vulnerability to any negation; no recovery route, multi-zone presence, or backup activation if the effect fails to resolve (inferred) |
| Deck-Building Efficiency | 58 | Runs as a 1-of tech in all observed decks with minimal bricking risk given Spell Counter deck architecture; moderately splashable into any Spell Counter archetype without self-imposed restrictions (observed) |
Calculation
Weight profile: Board breaker / Going-second (no secondary roles). Intrinsic ≈ 52.18, Deck ≈ 49.06, Meta = provisional. Modifiers: none. Final formula: 0.40*Intrinsic + 0.60*Deck
Strengths
- Universal board wipe destroying all opponent cards regardless of type or zone
- Confirmed synergy with established Spell Counter archetypes (Endymion, Dark Magician)
- 1-copy tech minimizes bricking risk when Spell Counters are already generated
- Splashable into any Spell Counter deck without format-locking restrictions
Weaknesses
- Requires 10 Spell Counters—a high cost competing with the archetype's own core effects
- One-time Normal Spell with no recursion or repeatability
- Completely shut down by any negation (Solemn Judgment, Ash Blossom, etc.)
- Zero recorded combos confirming reliable counter-accumulation pathways
- Dead draw against empty opponent boards or when Spell Counters are unavailable
Counters / choke points
- Solemn Judgment, Solemn Swordsword, Solemn Warning (spell/trap negation)
- Ash Blossom & Joyous Spring (hand trap negation if searched)
- Any effect preventing Spell Counter accumulation (rare in modern meta)
Best use
Board breaker / meta-dependent tech. Decks: Endymion, Dark Magician, Spell Counter-focused archetypes. Suggested copies: 1.
Evidence & gaps
- Verified: Card text: 'Remove 10 Spell Counters on your side of the field. Destroy all cards on your opponent's side of the field.'; Normal Spell Card (one-time use unless retrieved); Appears in 7 decks, all main deck, 1 copy each; 100% co-appearance with Endymion, the Master Magician and Spell Counter generators; Spell Card cannot serve as monster material (Synchro, Xyz, Link, Fusion); Assumed unrestricted (3 copies legal) per banlist absence
- Observed: 28.6% Dark Magician decks (2/7); 28.6% Sky Striker decks (2/7); 42.9% Endymion decks (3/7 across archetype variants); 100% paired with Spell Counter generators (Magical Exemplar, Spell Power Grasp, Magical Citadel); 1-copy tech across all observed lists (no redundancy)
- Inferred: Board wipe effect structure and payoff from card text and partner analysis; 10-counter accumulation requirement limits early-game reliability; One-turn window; spell resolves once and is gone unless retrieved; Resource cost competes with Endymion's own negation/search/recursion lines; GenericUtility adjusted to 65 due to Spell Counter deck restriction despite 4 distinct archetypes
- Data gaps: No combos supplied — combo conversion is text-only inference; cannot verify reliability of 10-counter buildup in recorded boardstates No guides supplied — no human strategic context on the card's role or meta positioning No banlist token — assumed unrestricted (3 copies) per evidence No usage statistics (StatisticsCard) — archetype inclusion percentages inferred from 7-deck sample only No playtest or replay data confirming this card actually closes games or drives winning value in Spell Counter lines