Opening of the Spirit Gates (Ultra Rare)

When this card is activated: Add 1 Uria, Lord of Searing Flames, Hamon, Lord of Striking Thunder, or Raviel, Lord of Phantasms, OR 1 monster that specifically lists any of those cards in its text, from your Deck to your hand. Once per turn: You can discard 1 card; Special Summon 1 Fiend monster with 0 ATK/DEF from your GY. Once per turn, if you control a Level 10 monster: You can add 1 Continuous Spell from your GY to your hand. You can only activate 1 Opening of the Spirit Gates per turn.