- This card can be searched by "Watch Cat", "Watch Dog", "Rogue of Endymion", "The Despair Uranus" and "Koa'ki Meiru Supplier".
- Keep this card in your hand in order to keep "Koa'ki Meiru Ice" on the field.
- Use this card's discard cost to set up "Koa'ki Meiru Ghoulungulate", "Koa'ki Meiru Rooklord", "Koa'ki Meiru Crusader" and "Core Reinforcement".
- This card and "Urgent Synthesis" complement each other in terms of setup - this card can discard a "Koa'ki Meiru" monster for "Urgent Synthesis", while "Urgent Synthesis" can return "Iron Core of Koa'ki Meiru" to your Deck for this card to search again.
- You can discard another copy of "Iron Core" for this card. This way, you can set up for "Nega-Ton Corepanel" or "Koa'ki Meiru Shield" and thin your deck.
- Discard a card that would be a dead draw, like "Iron Core Immediate Disposal".