LIGHT
5Union Driver
Archetype:
ABC
ATK:
2100
DEF:
1000
View:
4151
Once per turn, you can either: Target 1 face-up monster you control; equip this card to that target, OR: Unequip this card and Special Summon it. If the equipped monster would be destroyed by battle or card effect, destroy this card instead. While this card is equipped to a monster: You can banish this Equip Card; equip 1 Level 4 or lower appropriate Union monster from your Deck to the monster this card was equipped to. You can only use this effect of "Union Driver" once per turn.
Union Driver — Power Evaluation
Final Score: 62 ± 6 · Confidence: Medium
- Intrinsic: 59 · Deck: 61 · Meta: provisional
- Primary role: Combo enabler · Secondary: Material body, Extender
Why it scores here
Union Driver converts an existing body plus itself into a Union monster fetched straight from the Deck, which is exactly what builds the ABC-Dragon Buster line and underpins the high-power boards (power_index 100, ~+6 cards) it appears in. Its points come from that combo-enabling and material role, not from its 2100 ATK. It offers zero disruption and is not a standalone opener (0% as_starter), so it caps in the low 60s as a compact, searchable, typically 1-of engine piece; its high stats and popularity earn it nothing here.
Axis scores
| Axis | Score | Evidence |
|---|---|---|
| Accessibility | 57 | LIGHT Machine Union body found in 400/400 main decks at 1.09 avg copies and searchable via Union Hangar, but it needs an existing monster to equip to, so it is rarely a standalone opener (observed). |
| Combo & Conversion | 62 | Banishes itself while equipped to fetch an A/B/C Union from Deck, feeding the ABC line, and appears in 4 recorded combos averaging power_index 100 with roughly +6 net card advantage (observed). |
| Resource Economy | 55 | Turns one card into a single Union deployed from Deck (near card-neutral with light deck thinning) plus a destruction shield on its host, with no real plus (inferred). |
| Effect & Interaction | 15 | Provides no interaction with the opponent; its only defensive text replaces the equipped monster's destruction by destroying itself instead (verified). |
| Material Utility | 58 | Level 5 LIGHT Machine that can unequip and Special Summon itself as a clean body for Xyz/Link material even if its effect is negated (verified). |
| Resilience & Flexibility | 50 | Moves between monster and equip zones and shields its host, but banishing itself for the equip effect is a once-per-turn, one-shot commitment (inferred). |
| Deck-Building Efficiency | 66 | Cheap to slot: 1 copy typical, no locks or garnet penalty, and 100% inclusion at a 1-of ratio within ABC (observed). |
Calculation
Weight profile: 0.7 Combo enabler + 0.3 Material body. Intrinsic ≈ 59, Deck ≈ 61, Meta = provisional. Modifiers: Compact splashable 1-of (1). Final formula: 0.40*Intrinsic + 0.60*Deck
Strengths
- Searchable LIGHT Machine Union that 100% of ABC decks include.
- Turns itself into a Union monster fetched from the Deck, enabling the ABC-Dragon Buster line.
- Compact 1-copy engine piece with no locks or garnet cost.
- Clean LIGHT Machine body usable as material even when its effect is blanked.
Weaknesses
- No disruption or interaction with the opponent whatsoever.
- Requires an existing monster to equip to (0% as_starter in recorded combos).
- Banishing itself to equip the Deck Union is a once-per-turn, one-shot commitment.
- Only useful in decks that run Level 4 or lower Union targets to fetch.
Counters / choke points
- Negating the banish-to-equip effect stops the ABC line it feeds.
- Removing the target Union monsters before the Deck fetch resolves.
- Interaction that clears the monster it is equipped to or the Union it fetched.
Best use
Union-tutoring combo enabler and material body. Decks: ABC, Therions, Cyber Dragon. Suggested copies: 1.
Evidence & gaps
- Verified: Card text: soft once-per-turn effect to equip itself to a face-up monster OR unequip and Special Summon itself.; Card text: while equipped, you can banish this Equip Card to equip 1 Level 4 or lower Union monster from Deck to that monster, once per turn.; Card text: if the equipped monster would be destroyed by battle or card effect, destroy this card instead.; Card identity: Level 5, LIGHT, Machine, Union Effect Monster, 2100 ATK / 1000 DEF, ABC archetype.
- Observed: Run in 400/400 main decks, avg 1.09 copies (369 at 1, 27 at 2, 4 at 3 copies).; Archetype spread: ABC 34%, Therions 19%, Cyber Dragon 10.5%, Synchron 8.5% across 31 distinct archetypes.; Appears in 4 recorded combos (100% of sample) with avg power_index 100; 25% as material, 0% as starter, 0% as payoff.; usage_statistics: 100% inclusion with typical 1 copy across three ABC archetype rows.; Top partners include Union Hangar 86.8%, A-Assault Core/B-Buster Drake/C-Crush Wyvern 87.2%, and ABC-Dragon Buster 85%.
- Inferred: Searchable by Union Hangar because it is a LIGHT Machine Union monster, though records show 0% as_starter.; Enables the ABC-Dragon Buster line by deploying A/B/C Union pieces from the Deck.; Roughly card-neutral in resource terms (one card becomes one Union from Deck).
- Data gaps: no banlist token — assumed 3 copies (unlimited) legal_copies empty combos_evidence is thin (only 4 combos recorded, 0% as_starter) no dated metagame sample supplied