Some Phantom Knight's Card have an Effect that says you can special summon it as a monster (This card is not treated as a trap). When it is destroyed, is it a monster or trap in the GY? (For example, could I use Monster Reborn on it?)
1 Answer
From: Trap Monster - Fandom.com
...and can in some cases be used offensively as well. Also, because they don't count as monsters while in a player's Deck or Graveyard, some effects might work on them as a Trap Card- ...
A trap monster is only treated as a monster whilst it occupys a monster zone. When it's sent to the graveyard it is reverted back to being treated as a trap.