Pokémon V-UNION: playing four pieces from the discard
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You play a Pokémon V-UNION by putting all four matching pieces from your discard pile onto your Bench together. You cannot play a single piece as a Basic Pokémon, and the completed Pokémon occupies one Bench space. Each Pokémon name can be assembled this way only once per game.
That answer explains why an apparently complete hand can still be unusable. Four pieces in your hand are four cards you must first move to the discard pile through legal effects. Owning the picture, meeting the deck limit and meeting the condition for playing it are three separate checks.
Identify the four matching pieces
A V-UNION consists of four normal-sized cards arranged into one illustration. Read the complete name on each piece and compare the artwork, set or promotional series, artist and collector numbers against the official entries. Do not use the character alone as the identifier: Mewtwo cards from other categories cannot replace a missing Mewtwo V-UNION quadrant.
The four parts must belong to the same complete illustration. This also matters when purchasing a bundle assembled by a seller. Four cards showing the same Pokémon are insufficient evidence that you have four different compatible pieces. Request a photograph with all four fronts visible, followed by individual backs if the condition of each part affects the deal.
A useful collection record assigns a position to each card: upper left, upper right, lower left and lower right. Keep its printed collector number alongside that position. This makes a wanted list considerably more precise than “need one Mewtwo piece” and reveals duplicates before you buy them.
Four copies means four cards with that name
The normal name-based limit still applies. All four Mewtwo V-UNION pieces share the same name, so a deck can contain four cards with that name in total, not four copies of each quadrant. The practical complete package therefore uses one of each piece. Adding a second upper-left piece means removing another card with the same name, which can leave the package impossible to assemble.
For a hypothetical list, label the pieces A, B, C and D. A+B+C+D gives you the four different parts. A+A+C+D still totals four named cards, but lacks B. The first count checks deck construction; the second checks whether the particular mechanic can actually work. A deck can satisfy one check and fail the other.
Separate Pokémon names have separate counts. Including one complete Mewtwo V-UNION and one complete Greninja V-UNION is not an eight-copy violation of the Mewtwo limit. It does consume eight main-deck slots, so assess how those slots affect the remaining Pokémon, Trainers and Energy rather than treating each picture as one deck card.
V-UNION is its own Stage
These cards are neither Basic Pokémon nor Evolution cards. Their Stage is V-UNION. They cannot provide the Basic Pokémon you need during setup, so your list still needs a legal Basic Pokémon package. An opening hand containing several V-UNION pieces and no Basic Pokémon does not become a valid opening because you can see a complete illustration.
Read search effects just as carefully. An effect looking for a Pokémon can find a piece, and one looking for an appropriate Energy type can refer to that printed characteristic. An effect restricted to Basic Pokémon or an Evolution category does not automatically gain permission to find a V-UNION piece.
Not being an Evolution also means you do not stack the completed V-UNION on an existing Mewtwo or Greninja. Its special procedure puts the complete Pokémon onto an available Bench space. Do not retire another Pokémon to create an improvised evolution pile or assume that a similarly named Pokémon supplies a missing part.
Move the pieces to the discard pile legally
You do not have a general option to discard cards from your hand whenever convenient. Use an attack, Trainer, Ability or other effect that actually moves the relevant cards. Check its quantity, source zone and any conditions before making the move. A card that discards exactly one card does not discard your remaining three pieces as an extra courtesy.
During practice, keep a simple record of the four positions and their current zones. Perhaps A is discarded, B is in your hand, C is in your deck and D is a Prize card. That position is very different from having all four discarded, even if you own the complete set and have drawn most of it.
A search that puts one Pokémon into your hand obtains one piece outside play. The completed picture does not turn an ordinary one-card search into a four-card tutor. Likewise, a piece among the Prize cards remains a separate Prize card; it is not automatically retrieved when a matching piece elsewhere changes zones.
Assemble into one available Bench space
Once all four compatible pieces are in your discard pile, use the V-UNION procedure to put them onto the Bench simultaneously. There must be room for the resulting Pokémon. You cannot begin by placing one quadrant, wait for another effect and finish later, because the entry is one combined event.
In play, the four cards represent one Pokémon. You select one Active Pokémon normally, attach Energy to this one Pokémon and track its damage as one total. The size of the illustration does not grant four Bench spaces, four independent attacks or four separate targets for a healing effect.
| Question | Outside play | Assembled in play |
|---|---|---|
| How many physical cards? | Four individual pieces | Four pieces representing one Pokémon |
| What does a one-Pokémon search find? | One eligible piece | The search normally concerns another zone |
| How many Bench spaces? | None | One |
| Can each quadrant attack? | No piece is an attacker | Choose one attack from the completed Pokémon |
| Is it a Basic Pokémon? | No | No; its Stage remains V-UNION |
Read the completed Pokémon rather than a quadrant
Outside play, a piece does not independently have usable attacks, Abilities, HP, Retreat Cost, Weakness or Resistance. The fact that a number is printed in one corner of the artwork does not make that quadrant a standalone Pokémon with those characteristics. This distinction becomes particularly important for effects that search according to Retreat Cost or HP.
Once assembled, use the completed card's information and text. Mewtwo V-UNION, for example, offers different attack choices, but you still make only the attack permitted by the normal turn procedure. Having several attacks printed across the picture is a menu of alternatives, not a queue of actions to perform together.
The assembled Pokémon is a Pokémon V with a Rule Box. Effects referring to Pokémon V or Pokémon with a Rule Box can therefore matter in play. The individual pieces outside play do not all become separate Rule Box Pokémon merely because their combined image will eventually show the V-UNION rule.
Three Prizes and one assembly per name
When the completed V-UNION is Knocked Out, its rule awards three Prize cards. Plan around that consequence before committing resources. Taking only one Bench space does not make it a one-Prize Pokémon, and using four physical cards does not make it worth four Prizes.
You cannot assemble that same Pokémon name a second time during the game. Returning the four pieces to the discard pile after a Knock Out does not reset the restriction. Record the name when you first put it into play, particularly in casual games where several different V-UNION packages appear over a long match.
A different V-UNION name has its own allowance. If you have already played Mewtwo V-UNION, that alone does not stop you from later playing Greninja V-UNION once its own four pieces are ready. The allowance concerns the complete Pokémon name, not a global rule permitting only one V-UNION of any kind.
Buying a complete package for collection or play
For a collection, check each part independently: a clean upper half does not establish the condition of the lower half. Compare backs, edges and corners, and confirm whether a seller includes four normal-sized cards, a jumbo display card or both. A jumbo version is not a substitute for a missing playable piece.
For play, add format legality to those checks. This historical mechanic is not a promise of current Standard eligibility. Verify the specific cards and the event's format before buying an engine around them. A complete picture can remain attractive to collect even when its cards do not fit the tournament you plan to enter.
Frequently asked questions
Can I play the pieces directly from my hand?
Not through the normal V-UNION assembly procedure. All four matching parts must be in your discard pile and enter the Bench together. Merely revealing a complete set in your hand does not satisfy that condition.
Does a V-UNION count as four Pokémon on the Bench?
No. The assembled picture is one Pokémon and occupies one Bench space. The four separate physical cards matter in other zones and during deck construction, not as four independent Benched Pokémon.
Can I assemble it again after a Knock Out?
Not the same Pokémon name through its V-UNION procedure. The once-per-game restriction is not reset by the pieces returning to the discard pile. Another named V-UNION has a separate allowance.