🗿 notawikiAcross the Obelisk Codex · the answer, not the article

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4Mind Storm
Mage · Echo spell · Mind spell · Spell
Put 1 Mind Storm on top of target's deck (cost reduced by 1 and vanish). Reduce your Insane charges by 30%. Deal 5 Mind +X Mind. Apply 5 Insane. (X equals your Resonance x2). Repeat 2.
Rare▸ Random Monster
Upgrade paths
Upgrade A (yellow) · Epic · cost 3
Put 1 Mind Storm [Yellow] on top of target's deck (cost reduced by 1 and vanish). Reduce your Insane charges by 20%. Deal 8 Mind +X Mind. Apply 6 Insane. (X equals your Resonance x2). Repeat 3.
Upgrade B (blue) · Epic · cost 3
Put 1 Mind Storm [Blue] on top of target's deck (cost reduced by 1 and vanish). Reduce your Insane charges by 20%. Deal 6 Mind +X Mind. Apply 3 Insane. (X equals your Insane x0.75). Dispel your Insane. Repeat 3.
Corrupted (purple) · Epic · cost 3
Put 1 Mind Storm [Corrupted] on top of target's deck (cost reduced by 1 and vanish). Reduce your Insane charges by 20%. Deal 12 Mind +X Mind. Apply X Insane. (X equals your Resonance x3). Repeat 3.