Choose the source of the copy
After the normal shift and pattern selection, choose one space to count as the identity of another selected space. The copied symbol must already be on that route; a symbol elsewhere on the rack is not a valid source.
A pair can become a triple by replacing its odd symbol. Three different identities can become a pair, but not a triple, because the card changes only one space.
Collect, then restore the view
In a tabletop game, collect the improved result and turn that player's card face down. The actual reel remains in the position created by the one-step movement. Remove the temporary counting marker before the following person acts.
The puzzle preview labels the substituted space. Checking a puzzle evaluates its proposed turn in isolation; it does not spend a card in a hidden ongoing match. Each challenge clearly states whether a fresh hypothetical card is available.
The card also has a closing value
An unused Strike contributes one point after the owner's sixth turn. A used card adds no separate bonus because its value was already included in an earlier award. It cannot be recharged by collecting a particular symbol.
A natural triple is already worth four immediate points. There is no stronger match for the card to create, so the controls disable a pointless substitution in that situation.