GreyKnightsmon EX4-021 SRAlternative Being Booster #EX4-021 SR
Also searched as: GreyKnightsmon Alternative Being Booster · Alternative Being Booster GreyKnightsmon
Alternative Being BoosterDigimon Card GameSuper Rare
Market price
US market estimate from TCGplayer · Oct 28, 2026
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Prices by printing
| Printing | Market | Low listing | High listing |
|---|---|---|---|
| Foil | $0.25 | $0.10 | $5.00 |
Market is the estimate from recent sales. Low and high are the range of current listings; high listings are often outliers.
Value by condition
- Near Mint (NM)$0.25
- Lightly Played (LP)$0.19 – $0.23
- Moderately Played (MP)$0.13 – $0.19
- Heavily Played (HP)$0.06 – $0.13
- Damaged (DMG)$0.03 – $0.06
Estimates from typical condition discounts, not sales of this card. Rare cards often keep more value when played. Condition guide
Price history
Daily market price for the last 6 days we have recorded. Hover or tap the chart for exact values.
- Foil$0.25
Show price history as a table
| Date | Printing | Market |
|---|---|---|
| Oct 28, 2026 | Foil | $0.25 |
| Oct 27, 2026 | Foil | $0.25 |
| Oct 26, 2026 | Foil | $0.25 |
| Oct 25, 2026 | Foil | $0.25 |
| Sep 11, 2026 | Foil | $0.23 |
| Sep 10, 2026 | Foil | $0.23 |
Card details
- Description
- [On Play] [De-Digivolve 1] 1 of your opponent's Digimon. Then, all of your opponent's level 4 or lower Digimon can't attack until the end of your opponent's turn. [All Turns] When this Digimon would be deleted or returned to your hand or deck, you may play 1 [MetalGreymon], and 1 [DarkKnightmonl from this Digimon's digivolution cards without paying the costs. [DigiXros -2] Blue [MetalGreymon] × [DarkKnightmon]]
- Level (Lv.)
- 6
- Color
- Blue;Black
- Card Type
- Digimon
- Play Cost
- 12
- Digimon Power (DP)
- 12000
- Digivolve 1 Level
- 5
- Digivolve 1 Color
- Blue
- Digivolve 1 Cost
- 5
- Digivolve 2 Level
- 5
- Digivolve 2 Color
- Black
- Digivolve 2 Cost
- 5
- Digimon Form
- Mega
- Digimon Attribute
- Virus
- Digimon Type
- Dark Knight/Blue Flare/Twilight
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Prices are US market estimates in USD, from TCGplayer sales data, last updated Oct 28, 2026. They are a guide, not an offer to buy or sell. How we price cards.
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