---
name: "Helm of Possession"
mana_cost: "{4}"
cmc: 4
type_line: "Artifact"
colors: []
color_identity: []
keywords: []
set: "TMP"
set_name: "Tempest"
collector_number: "291"
rarity: "rare"
artist: "Janet Aulisio"
oracle_id: "78f22413-4e61-4191-9d30-7b5d6538446e"
canonical_url: "https://avascry.com/printing/helm-of-possession-tmp"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "not_legal"
  pioneer: "not_legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "not_legal"
---

# Helm of Possession
- **Mana Cost:** `{4}` (CMC: 4)
- **Type:** Artifact

## Oracle Text
You may choose not to untap this artifact during your untap step.
{2}, {T}, Sacrifice a creature: Gain control of target creature for as long as you control this artifact and this artifact remains tapped.

## Top 4096-Dim Neural Synergies
1. [Kefnet's Last Word](/printing/kefnets-last-word-phou.md) — Sorcery
2. [Magus of the Unseen](/printing/magus-of-the-unseen-5ed.md) — Creature — Human Wizard
3. [Vedalken Shackles](/printing/vedalken-shackles-mps.md) — Artifact
4. [Crown of Empires](/printing/crown-of-empires-plst.md) — Artifact
5. [Hijack](/printing/hijack-kld.md) — Sorcery
6. [Possession Engine](/printing/possession-engine-pdft.md) — Artifact — Vehicle

## Printing Details
- **Set:** Tempest (TMP) #291
- **Rarity:** Rare
- **Artist:** Janet Aulisio
- **Total Printings:** 9 across all historical editions

## Format Legalities
Commander: `legal` | Standard: `not_legal` | Modern: `not_legal` | Pioneer: `not_legal` | Legacy: `legal` | Vintage: `legal` | Pauper: `not_legal` | Penny: `not_legal`