Unstable Portal

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You might be looking for one of these cards: Unstable Portal (Heroic), Unstable Portal (Normal).

Unstable Portal is a rare mage spell card, from the Goblins vs Gnomes set.

How to get

Card packsThe Regular version can be opened from any of these packs:

Goblins vs Gnomes
Regular1~2 (random)
Card packsThe Golden version can be opened from any of these packs:

Goblins vs Gnomes
Golden Wild
Golden1~2 (random)
CraftingCraft a Regular copy for 100 Dust.pngRegular1
CraftingCraft a Golden copy for 800 Dust.pngGolden1

Generated cards

Unstable Portal uses these card pools to generate cards:


To edit these notes, go to Template:Unstable Portal notes.

  • This spell has two steps:
    • First it generates a random minion card and adds it to your hand. Any collectible minion may be generated, regardless of class requirements (for a complete list of the possible minions that can be generated by this spell see Minion card list).[1]
    • Then, it creates a cost-modification enchantment attached to the generated card that reduces its mana cost by 3.


Portals are a line of useful Mage utility spells that allow the caster to transport themselves and their party members to one of several fixed locations (including all friendly capital cities).

The art for Unstable Portal depicts a portal to Ironforge. This card shows the city's snowy exterior, while  Ironforge Portal shows its molten heart.


  • The artwork for this card comes from the World of Warcraft Trading Card Game "March of the Legion" series, for the card Portal.
  • This card was hinted at by the first Innkeeper's Journal blog, Patron Dispenser, which revolved around mage portals bringing customers to the inn. It also featured the card art later revealed to be used in the Unstable Portal card.
  •  Webspinner served to "set the stage" for the later introduction of Unstable Portal and the various piloted shredder minions in Goblins vs Gnomes, employing a similar design but with a far greater degree of RNG.[2] Ben Brode states that players responded "very well" to Webspinner's random generate ability, and as a result the designers "doubled-down" the mechanic for Goblins vs Gnomes.[2] The spell appears to have also inspired the five Portal spells added with One Night in Karazhan.
  • The location seen through the portal is the dwarven city of Ironforge, making this a literal  Ironforge Portal, although that card was not added until nearly 2 years later.
  • When  Medivh is the mage player's hero, a voiceline will play, saying "And from the portal comes...!" presumably from a younger Medivh.


Patch changes

External links

References[edit | edit source]

  1. Ben Brode on Twitter. (2014-11-09). 
  2. 2.0 2.1 Hearthstone Goblins vs Gnomes interview. (2014-12-17).