Trap
NormalMirror Gate
Archetype:
Elemental HERO
View:
1976
When an opponent's monster declares an attack targeting a face-up "Elemental HERO" monster you control: Switch control of the opponent's attacking monster with the targeted monster you control, then calculate damage. Control of both monsters switches back during the End Phase.
Mirror Gate — Power Evaluation
Final Score: 55 ± 5 · Confidence: Medium
- Intrinsic: 56 · Deck: 54 · Meta: provisional
- Primary role: Board breaker / Going-second · Secondary: Utility, Defense
Why it scores here
Mirror Gate is a situational defensive Trap that prevents damage by switching control of attacking monsters, making it a solid tactical tool in Elemental HERO decks. The 25 decks running it confirm reliable accessibility within its archetype, and its high effect-interaction value reflects strong disruption capability during opponent's attack phase. However, zero combo presence, lack of card advantage generation, and activation requirements that demand specific setup—opponent must attack while you control a face-up HERO—prevent this from scoring higher. The card's core value is tempo and defensive board control rather than power generation.
Axis scores
| Axis | Score | Evidence |
|---|---|---|
| Accessibility | 55 | Trap cards need setup and activation timing; Mirror Gate requires a face-up HERO and opponent attack, limiting reliability to go-second scenarios where defensive tools matter most (verified from card text). |
| Combo & Conversion | 15 | Zero appearances in 0 combo boards and no synergy with combo starters; pure reactive trap with no board-building potential (verified from combos_evidence.appearances = 0). |
| Resource Economy | 50 | Blocks damage and reverses threat via board control, roughly neutral on card count; generates tempo without card advantage (inferred from card effect). |
| Effect & Interaction | 70 | Switches control of attacking monster until End Phase, disrupting opponent's attack strategy and damage calculation; strong defensive negation but situational and temporary (verified from card text). |
| Material Utility | 5 | Trap cards have zero material utility—cannot be used as fusion, synchro, or link material (inferred from card type). |
| Resilience & Flexibility | 55 | Survives to resolve once activated but one-use-per-turn and opponent regains control at End Phase; limited multi-turn persistence (verified from card text). |
| Deck-Building Efficiency | 65 | 25 HERO decks average 1.28 copies; not a garnet or brick, cleanly slots into defensive shell; modest 1.28-copy average suggests optional rather than core inclusion (observed from decks_evidence). |
Calculation
Weight profile: Board breaker / Going-second primary role. Intrinsic ≈ 56, Deck ≈ 54, Meta = provisional. Modifiers: none. Final formula: 0.40*Intrinsic + 0.60*Deck
Strengths
- Strong defensive interaction—blocks damage by reversing attacking monster control
- Reliable activation in Elemental HERO decks (25 deck sample, 1.28 avg copies)
- Synergizes well with core HERO support cards (Miracle Fusion 76% co-deck, Stratos 64%)
- Straightforward effect with clear timing and no complex rulings
Weaknesses
- Pure reactive trap with zero proactive combo potential
- No card advantage generation—only tempo and board control
- Requires face-up Elemental HERO on your field to activate
- One-use effect per turn; opponent regains control at End Phase
- Not splashable outside HERO decks—archetype-specific dependency
Counters / choke points
- Monsters that do not attack (stall/control strategies)
- Monsters with immunity to control switch effects
- Direct damage decks that bypass monster attacks
- Spell/Trap removal during opponent's turn
Best use
Defensive combat trick in go-second strategies. Decks: Elemental HERO, Vision HERO, Destiny HERO, Heroic. Suggested copies: 1.
Evidence & gaps
- Verified: Trap card that activates when opponent's monster declares attack targeting Elemental HERO; Switches control of attacking monster and targeted HERO, then switches back at End Phase; Used in 25 decks across 9 archetypes, primarily HERO variants; Top partner cards are all core HERO synergies (Miracle Fusion, Stratos, Bubbleman, Clayman)
- Observed: 1.28 average copies per deck (18 decks with 1, 7 decks with 2); Appears in main deck only (0 side deck instances); Zero appearances in 0 recorded combo boards; Consistent inclusion across Heroic, Elemental HERO, Vision HERO, and Destiny HERO archetypes
- Inferred: Defensive combat trick that acts as situational disruption via board control reversal; Activation requires precise setup: trap in play + opponent attack + face-up HERO; Provides tempo and board control value rather than raw card advantage; Better suited to go-second/defensive strategies than combo-driven decks; Trap frame means zero material utility for fusions, synchros, or links
- Data gaps: No combos supplied—cannot assess true combo conversion or average power-index correlation No guides supplied—no human context on strategic use cases or deck philosophy No banlist token—assumed unlimited (3 legal copies per format) No usage statistics (StatisticsCard)—archetype inclusion % inferred from deck sample only No top-card rankings—cannot corroborate competitive presence or format viability