Jamming Device
| Name | Jamming Device |
|---|---|
| Type | Artifact — contraption |
| Description | Whenever you crank Jamming Device, creatures target player controls get -1/-1 until end of turn. |
| Artist | Franz Vohwinkel |
| Set | Unstable #192 |
| Wallpaper | |
| Image |
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Table of contents
About Jamming Device
Jamming Device, Artifact — contraption, designed by Franz Vohwinkel first released in Dec, 2017 in the set Unstable. It's currently being selled by the minimum price of C$ 0.49.
The Jamming Device would be particularly beneficial in a control or midrange deck that aims to manage the board state by weakening opposing creatures, especially against aggressive strategies. Decks that include cards like Liliana of the Veil or Doomsday can further capitalize on the -1/-1 effect by forcing opponents to discard or sacrifice weakened creatures. While Jamming Device can be effective in specific scenarios, it may be outclassed by cards like Toxic Deluge or Wrath of God, which provide more comprehensive board control. Overall, it could see play in niche strategies but might not be a staple in competitive formats.
Rules
01/19/18
Contraptions are artifacts. Anything that interacts with artifacts will interact with Contraptions.
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If you crank multiple Contraptions, their abilities can be put onto the stack in any order. The ability put onto the stack will resolve first.
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If you or a permanent you control are instructed to assemble a Contraption, reveal the top card of your Contraption deck. Put it onto the battlefield on one of the three sprockets.
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If you or a permanent you control assembles a Contraption and your Contraption deck is empty, nothing happens. You don’t lose the game.
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In Constructed formats, a Contraption deck must have at least fifteen different Contraption cards and no more than one of each.
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In silver-bordered games using Contraptions, you have three sprockets, illustrated on the back of Contraption cards. At the start of the game, put a CRANK! counter on sprocket 3.
Where to buy
![]() | Card Kingdom | 7 uni.
| C$ 0.49 | Visit store |
![]() | Ebay.com | Visit store | ||
![]() | Printing proxies | $ 0.75 | Visit store |
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Frequently asked questions about Jamming Device
What type of card is Jamming Device?
Jamming Device is a Artifact — contraption card in Magic: the Gathering MTG.
What does Jamming Device do?
Whenever you crank Jamming Device, creatures target player controls get -1/-1 until end of turn.
How much does Jamming Device cost?
Jamming Device currently starts at C$ 0.49. See live prices from multiple sellers in the Where to buy section above.
What set is Jamming Device from?
Jamming Device was first released in the set Unstable, illustrated by Franz Vohwinkel.
Is Jamming Device legal to play?
Legality depends on the tournament format -- Jamming Device can be legal in some formats and banned or restricted in others. See the full breakdown per format in the Legality section above.
What cards are similar to Jamming Device?
Cards similar to Jamming Device include Mandatory Friendship Shackles, Inflation Station, Festering Goblin. See the full list in the Similar cards section above.




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