Unstable Prototype
| Name | Unstable Prototype |
|---|---|
| Type | Minion - mech |
| Description | Reborn Deathrattle:& Give all minions in your hand +1/+1. |
| Flavor | I know a tummy ache when I see one. |
| Artist | Matt Dixon |
| Set | Reign of the Black Empire #131236 |
| Wallpaper |  Download wallpaper |
| Image |  Download image |
About Unstable Prototype
Unstable Prototype, Minion - mech, designed by Matt Dixon first released in September 2026 in the set Reign of the Black Empire.
Unstable Prototype would mainly benefit a slow-to-midrange handbuff deck—especially Paladin or a neutral Mech/Menagerie deck that keeps several minions in hand—because Reborn can allow its Deathrattle to trigger twice, potentially giving your hand +2/+2; however, it is much weaker in aggressive Mech decks that want immediate board impact, and it risks doing nothing if your hand is empty or the opponent removes it without letting the Deathrattle resolve. Grimestreet Outfitter is generally better for the same role because it costs one mana and gives the buff immediately, while Glowstone Technician is stronger in slower Paladin handbuff lists because it provides a larger +2/+2 buff, so Unstable Prototype should only see play if it has unusually strong stats for its cost or if a Mech-specific handbuff strategy is particularly well supported.
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Frequently asked questions about Unstable Prototype
What type of card is Unstable Prototype?
Unstable Prototype is a Minion - mech card in Hearthstone HS.
What is the effect of Unstable Prototype?
<b><b>Reborn</b> </b><b>Deathrattle:</b>& Give all minions in your hand +1/+1.
What is the original set of Unstable Prototype?
Unstable Prototype was first released in the set Reign of the Black Empire, illustrated by Matt Dixon.