Unstable Spellcaster
| Name | Unstable Spellcaster |
|---|---|
| Type | Minion - elemental |
| Description | Spell Damage +1 Battlecry: If you dealt damage with a spell this turn, summon a copy of this. |
| Flavor | 1, 2, 3, 4, I declare a spell war. |
| Artist | Mauricio Herrera |
| Set | CATACLYSM #123351 |
| Wallpaper |  download |
| Image |  download |
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About Unstable Spellcaster
Unstable Spellcaster, Minion - elemental, designed by Mauricio Herrera first released in Feb, 2026 in the set CATACLYSM.
Unstable Spellcaster fits best in a spell-heavy Mage deck—particularly a tempo, burn, or combo-oriented list that can reliably deal spell damage before turn 4 (or earlier with Coins or cheap spells) to activate the Battlecry and summon a copy, effectively generating strong board presence alongside Spell Damage +1; it synergizes well with cheap damage spells like Arcane Bolt–style effects or low-cost pings that enable duplication the same turn. That said, whether it should see play depends on the current meta and available alternatives: cards like Bloodmage Thalnos (for cheaper Spell Damage plus card draw), Aegwynn, the Guardian (for persistent Spell Damage scaling), or even cheaper spell-damage minions may offer more consistent value or immediate impact, especially if they cost less or provide additional utility. Overall, this card would be most viable in a proactive Mage deck that can consistently trigger its Battlecry the turn it’s played, but it may struggle to compete if more effic
Sign in and join the conversationFrequently asked questions about Unstable Spellcaster
What type of card is Unstable Spellcaster?
Unstable Spellcaster is a Minion - elemental card in Hearthstone HS.
What does Unstable Spellcaster do?
<b>Spell Damage +1</b> <b>Battlecry:</b> If you dealt damage with a spell this turn, summon a copy of this.
What set is Unstable Spellcaster from?
Unstable Spellcaster was first released in the set CATACLYSM, illustrated by Mauricio Herrera.
Is Unstable Spellcaster legal to play?
Legality depends on the tournament format -- Unstable Spellcaster can be legal in some formats and banned or restricted in others. See the full breakdown per format in the Legality section above.
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