Buy / view
TCGplayer is an affiliate link — we may earn a commission, at no extra cost to you.
A Good Thing
Mystery Booster Playtest Cards 2019 (CMB1) · #86 · rare · mtg
Enchantment
Spells and abilities you control can't destroy, exile, target, or cause you to sacrifice A Good Thing.
At the beginning of your upkeep, double your life total. Then, if you have 1,000 or more life, you lose the game.
DeckSpec Pricei
$1.49
Condition
Weighted composite · smoothed against one-off swings.
Current prices
Condition
Non-foilNM
| cardkingdom | $0.69 | 2026-07-24 |
| Cardmarket | ≈$2.27 | 2026-08-08 |
| TCGplayer | $0.99 | 2026-08-08 |
Non-USD sources (e.g. Cardmarket, EUR) are shown converted to USD at €1 ≈ $1.15 — indicative, not an exact quote.
Prices update daily · last checked Sun Aug 09. Indicative, not offers — how we price.
Price history (last 180 days)
Condition key
NM Near MintLP Lightly PlayedMP Moderately PlayedHP Heavily PlayedDMG Damaged
Recorded prices are Near Mint; LP–DMG are estimated from standard hobby multipliers (foils discounted more steeply) — a guide, not a market quote.
Add to collection
Watch price
Other printings (1)
Cards like this
Revival // Revenge
RVR #241
$0.66
Revival // Revenge
RNA #228
$0.43
Kaya, Ghost Haunter
CMB1 #94
$0.43
Debtors' Knell
GPT #141
$0.97
Lunar Convocation
BLB #366
$0.96
Doom Foretold
ELD #378
$0.96
Knights' Charge
MOC #333
$0.95
Barrensteppe Siege
PTDM #171s
$0.95
Feast of the Victorious Dead
MAT #210
$1.05
Lunar Convocation
BLB #223
$1.05
Dramatic Finale
PSTX #180s
$0.87
Debtors' Knell
C21 #215
$0.84
Compare A Good Thing vs:Revival // RevengeRevival // RevengeKaya, Ghost HaunterDebtors' KnellLunar Convocation
Complete the set — Mystery Booster Playtest Cards 2019
You have 0 of 121 (0%)Most valuable cards in this set
CMB1 #102
Slivdrazi Monstrosity
$60.08
CMB1 #99
Sliv-Mizzet, Hivemind
$24.90
CMB1 #84
Soulmates
$19.83
CMB1 #59
Planequake
$16.57
CMB1 #2
Banding Sliver
$12.34
CMB1 #71
Bear with Set's Mechanic
$6.88
CMB1 #107
Mirrored Lotus
$6.13
CMB1 #45
One with Death
$3.96
CMB1 #96
Personal Decoy
$3.35
CMB1 #66
Tibalt the Chaotic
$3.18
CMB1 #110
Unicycle
$2.88
CMB1 #80
Krosan Adaptation
$2.68