![mtg playtest card A Good Thing [Mystery Booster Playtest Cards]](https://www.greyogregames.com/cdn/shop/files/31d89b45-5897-5cea-8e6b-33a4a57a5599_800x.jpg?v=1768430097)
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Description
mtg playtest card A Good Thing [Mystery Booster Playtest Cards]Set: Mystery Booster Playtest Cards Type: Enchantment Rarity: Rare Cost: {4}{W}{B} 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. TEST CARD Not for constructed play
| Set: | Mystery Booster Playtest Cards |
| Type: | Enchantment |
| Rarity: | Rare |
| Cost: | {4}{W}{B} |
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.
At the beginning of your upkeep, double your life total. Then, if you have 1,000 or more life, you lose the game.
TEST CARD - Not for constructed play
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4.8 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 5
It's Sea Foam (but not green)
Color: 3 Pack
What is there to say? If you're buying Sea Foam, you know what it is and what it does, and you're probably going to continue buying it. It's great stuff.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 21, 2026
★★★★★ 5
It works!
Size: 16 Fl Oz (Pack of 1), Style: Individual
A short story long---LOL---My zero turn started acting quirky-it would not run at full power and would begin to stall when put under a full load - like trying to mow some taller or thicker grass- never did stall since I would immediately kill the mower but obviously it was not right. I checked and changed the fuel filters-this one has 2 . One in the pick up line in the tank and one is inline just before the fuel pump unit. No help! So, before I dropped the big bucks to have the local farm dealer come and pick it up (at $75 per pickup and return) plus h=whatever shop charges that would result I thought "What the heck, lets give this stuff a try" I gambled $6 . I put in 5 ounces for the 5 gallons tank, and filled it with the gas I had on hand- should have been relatively fresh gas -no more than 2 weeks since pumped . Well, whatever the cause of the issue within about 15 to 30 minutes of low speed running- mostly at idle - the engine seemed to be idling smoothly as opposed to before where it surged but never died, I gave it a try at mowing. YEA!!!! full power and no bogging down - I finished mowing the yard and a part of the pasture (not yet grown up much so it is not requiring the rotary cutter YET) My only guess is perhaps a batch of either old gas or some water in the gas can or mower tank but whatever the cause it fixed it --and all for $6.
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Reviewed in the United States on April 12, 2025
★★★★★ 5
Convenient to order from Amazon
Size: 16 Fl Oz (Pack of 1), Style: Individual
Works as expected.
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Reviewed in the United States on January 25, 2026
★★★★★ 4
Good product
Size: 16 Fl Oz (Pack of 1), Style: Individual
Works well for my lawnmower. It's running better after first time using.
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Reviewed in the United States on July 13, 2025
★★★★★ 5
Fuel stabilizer
Size: 16 Fl Oz (Pack of 1), Style: Individual
Great additive
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Reviewed in the United States on January 21, 2026