FAQ
I played [Rock] when I had 4 Characters that were neither [Rock] nor [Scotch], and activated its [On Play] effect. If I trash [Rock] in order to play [Scotch], can I use the [On Play] effect of [Scotch] to play another [Rock]?
Yes, you can.
One Piece TCG [OP10]

Card Description
[Blocker] (After your opponent declares an attack, you may rest this card to make it the new target of the attack.) [On Play] If you don't have [Rock], play up to 1 [Rock] from your hand.
Card Details
Rarity
C
Color
Red
Number
OP10-008
Card Type
CHARACTER
Play Cost
2
Power
1000
Subtype(s)
Punk Hazard
Attribute
Ranged
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Price History (USD)
Price Info
Market Price
$0.03
All time High (last 6 months)
$0.04
All time Low (last 6 months)
$0.02
Yes, you can.