1. Sending from your hand to the Graveyard:
* Card Effects: Many cards have effects that let you discard them from your hand to activate their effect.
* Cost of Summoning: Some monsters require you to discard a card from your hand as a cost to summon them.
* Optional Play: You can choose to discard a card as part of your strategy, even if it's not required.
2. Sending from the field to the Graveyard:
* Card Effects: Some cards have effects that allow you to send them from the field to the Graveyard (either your own or your opponent's).
* Monster Effects: Certain monsters can be sent to the Graveyard by their own effects or by the effects of other cards.
3. Sending from the Deck to the Graveyard:
* Card Effects: Some cards have effects that let you send cards from your Deck to the Graveyard.
* Monster Effects: Certain monsters can be sent to the Graveyard from the Deck by their own effects or by the effects of other cards.
4. Sending from the Extra Deck to the Graveyard:
* Card Effects: Some cards have effects that let you send cards from the Extra Deck to the Graveyard.
* Monster Effects: Certain monsters can be sent to the Graveyard from the Extra Deck by their own effects or by the effects of other cards.
In Summary:
* Discarding a card means sending it from your hand, field, Deck, or Extra Deck to the Graveyard.
* The reason for discarding a card can be due to card effects, summoning costs, or strategic decisions.
* Always remember to check the card's text carefully to see if it can be discarded, and what the conditions are.
Let me know if you have any specific card in mind, and I can provide more detailed instructions!