Helm of Possession

{
  "_id": "6a38904c17cee80698969f5f",
  "oracle_id": "78f22413-4e61-4191-9d30-7b5d6538446e",
  "name": "Helm of Possession",
  "image_uris": {
    "small": "https://cards.scryfall.io/small/front/7/9/79e16191-8dca-491b-b892-17696023d581.jpg?1562054950",
    "normal": "https://cards.scryfall.io/normal/front/7/9/79e16191-8dca-491b-b892-17696023d581.jpg?1562054950",
    "large": "https://cards.scryfall.io/large/front/7/9/79e16191-8dca-491b-b892-17696023d581.jpg?1562054950",
    "png": "https://cards.scryfall.io/png/front/7/9/79e16191-8dca-491b-b892-17696023d581.png?1562054950",
    "art_crop": "https://cards.scryfall.io/art_crop/front/7/9/79e16191-8dca-491b-b892-17696023d581.jpg?1562054950",
    "border_crop": "https://cards.scryfall.io/border_crop/front/7/9/79e16191-8dca-491b-b892-17696023d581.jpg?1562054950"
  },
  "mana_cost": "{4}",
  "cmc": 4,
  "type_line": "Artifact",
  "oracle_text": "You may choose not to untap this artifact during your untap step.\n{2}, {T}, Sacrifice a creature: Gain control of target creature for as long as you control this artifact and this artifact remains tapped.",
  "colors": [],
  "keywords": [],
  "legalities": {
    "standard": "not_legal",
    "future": "not_legal",
    "historic": "not_legal",
    "timeless": "not_legal",
    "gladiator": "not_legal",
    "pioneer": "not_legal",
    "modern": "not_legal",
    "legacy": "legal",
    "pauper": "not_legal",
    "vintage": "legal",
    "penny": "not_legal",
    "commander": "legal",
    "oathbreaker": "legal",
    "standardbrawl": "not_legal",
    "brawl": "not_legal",
    "alchemy": "not_legal",
    "paupercommander": "not_legal",
    "duel": "legal",
    "oldschool": "not_legal",
    "premodern": "legal",
    "predh": "legal",
    "tlr": "not_legal"
  },
  "foil": false,
  "nonfoil": true,
  "oversized": false,
  "set": "tmp",
  "set_name": "Tempest",
  "set_type": "expansion",
  "collector_number": "291",
  "rarity": "rare",
  "artist": "Janet Aulisio",
  "prices": {
    "usd": "5.10",
    "usd_foil": null,
    "usd_etched": null,
    "eur": "3.62",
    "eur_foil": null,
    "tix": "0.08"
  }
}