123

Requires:

{"or": [
  {"resetRoom": {"nodes": [1]}},
  {"and": [
    {"resetRoom": {"nodes": [2]}},
    {"cycleFrames": 50}
  ]}
]},
{"or": [
  {"and": [
    {"or": [
      "ScrewAttack",
      "Plasma"
    ]},
    {"cycleFrames": 420}
  ]},
  {"and": [
    {"or": [
      "canDodgeWhileShooting",
      "Spazer",
      "Wave"
    ]},
    {"cycleFrames": 610}
  ]},
  {"and": [
    {"cycleFrames": 800},
    {"enemyDamage": {"enemy": "Mellow", "type": "contact", "hits": 2}}
  ]}
]}

Farm cycle drops: 12 Mellow