Tengu format ruling
Guardian Tryce

Card effect (current official text)Cannot be Summoned unless you control a face-up "Twin Swords of Flashing Light - Tryce". When this card is destroyed and sent to the Graveyard: Special Summon the monster from the Graveyard that was used for its Tribute Summon.
Rulings
- If you Special Summon Guardian Tryce, you don't get to activate his effect when he's destroyed, even if you Tribute Summoned him previously and are using Monster Reborn on him later.
- You must Special Summon the exact same card that was Tributed for Guardian Tryce when using his effect; you cannot Special Summon a card of the same name.
- You cannot use Guardian Tryce's effect to Special Summon a Special Summon-only monster that had not been properly Summoned, such as a Fusion Monster that was Special Summoned with Magical Scientist and then Tributed for Guardian Tryce.
- You cannot Special Summon Dark Ruler Ha Des with Guardian Tryce's effect.
- You can Special Summon a monster in your opponent's GY if it was used to Tribute Summon Guardian Tryce.
- If Guardian Tryce is an Equip Spell Card equipped to Relinquished or Sword Hunter, and Guardian Tryce is destroyed and sent to the GY, his effect activates.
- If Guardian Tryce is Set and is destroyed, his effect activates.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Tengu forum — sourced change requests get reviewed.