Here's how you summon it:
1. Tribute Summon: You need to Tribute Summon it. This means you must offer 3 monsters from your field as tributes.
2. "Winged Dragon of Ra" card: You need to have the "Winged Dragon of Ra" card in your hand.
3. "The Winged Dragon of Ra" Spell Card: You need to have the "The Winged Dragon of Ra" Spell Card in your hand or on the field. This card is used to activate its special summoning condition.
The Process:
* You activate the "The Winged Dragon of Ra" Spell Card.
* You then tribute summon the monster from your hand by offering 3 monsters on your field as tributes.
Note: "The Winged Dragon of Ra" has some special rules, including:
* You can only have one copy of the card on the field.
* You can only control it for 3 turns.
* It's banished from play at the end of the 3 turns.
Let me know if you'd like to learn more about summoning other powerful monsters in Yu-Gi-Oh!