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

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3Traumatic Vision
Mage · Echo spell · Mind spell · Shadow spell · Spell
Put 1 Traumatic Vision on top of target's deck (cost reduced by 1 and vanish). Deal 12 Shadow, X Mind. You suffer 4 Insane. Apply 4 Dark. (X equals target Insane x0.4).
Uncommon▸ Monster
Upgrade paths
Upgrade A (yellow) · Rare · cost 3
Put 1 Traumatic Vision [Yellow] on top of target's deck (cost reduced by 1 and vanish). Deal 13 Shadow, X Mind. You suffer 6 Insane. Apply 5 Dark. (X equals target Insane x0.4).
Upgrade B (blue) · Rare · cost 3
Put 1 Traumatic Vision [Blue] on top of target's deck (cost reduced by 1 and vanish). Deal 20 Shadow, X Mind. You suffer 4 Insane. Apply X Dark. (X equals target Insane x0.3).
Corrupted (purple) · Rare · cost 3
Put 1 Traumatic Vision [Corrupted] on top of target's deck (cost reduced by 1 and vanish). Deal X Shadow, X Mind. Apply 4 Dark. (X equals target Insane x0.75).
Other listed version 1
The wiki lists two versions — probably base and upgraded. Both are shown.
Cost 3 · Uncommon
Put 1 Traumatic Vision on top of target's deck (cost reduced by 1 and vanish). Deal 10 Shadow, X Mind. You suffer 4 Insane. Apply 4 Dark. (X equals target Insane x0.4).
In starting decks 1 hero
Recommended for 1 hero