I Knew You People Were Behind This.
- Rarity
- C
- Type
- Event
- Color
- Black
- Cost
- 1
[Main] You may rest 7 of your DON!! cards: If your Leader is [Perona], play up to 1 {Thriller Bark Pirates} type Character card with a cost of 6 or less and up to 1 {Thriller Bark Pirates} type Character card with a cost of 4 or less from your hand or trash. [Counter] Your Leader gains +3000 power during this battle.
TCGPlayer Prices
US marketplace data
Market Price
$0.08
Lowest Listing
$0.01
eBay Prices
Based on 19 recent listings
Low
$0.99
Median
$1.45
Average
$1.37
High
$1.59
Buy Now on eBay
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Grading Guide
Estimated values at common grade levels
Base price: $0.08
Gem Mint
Flawless centering, edges, surface, corners
4.0× multiplier
$0.32
Mint
Minor flaw under intense scrutiny
2.0× multiplier
$0.16
Near Mint-Mint
Slight wear visible to careful inspection
1.3× multiplier
$0.10
Near Mint
Light surface or edge wear
0.9× multiplier
$0.07
Ungraded Near Mint
Played in sleeves, no grading
0.6× multiplier
$0.05
Estimates only. Actual graded sales vary by population, demand, and recent sold history.
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About this card
I Knew You People Were Behind This. is a c event card from Anniversary Tournament Pack. Anniversary Tournament Pack (released Jul 2025) is a regular set in the One Piece Card Game lineup. Cards of this rarity sit in their own tier of the collector market.