Champions of Archery // Join the Group (#4)

[
  {
    "name": "Champions of Archery",
    "type": "front",
    "power": "1",
    "rules": [
      "Reach",
      "Commanders you control get +X/+0, where X is the number of commanders you control."
    ],
    "types": [
      "Creature"
    ],
    "colors": [
      "R"
    ],
    "subtypes": [
      "Human",
      "Archer"
    ],
    "mana_cost": "{3}{R}",
    "toughness": "4",
    "mana_value": 4,
    "supertypes": [
      "Legendary"
    ],
    "color_identity": [
      "R"
    ]
  },
  {
    "name": "Join the Group",
    "type": "back",
    "rules": [
      "You may put a legendary creature card from your hand into the command zone. It's also your commander."
    ],
    "types": [
      "Sorcery"
    ],
    "colors": [
      "R"
    ],
    "subtypes": [
      "Adventure"
    ],
    "mana_cost": "{2}{R}",
    "mana_value": 3,
    "supertypes": [],
    "color_identity": [
      "R"
    ]
  }
]