It's card 17 out of the 172 official cards in the set, though, of course, there are an additional 30 Trainer Gallery cards and several Secret editions likewise added to Brilliant Stars
It is similar to how Cyclonic Rift might get around protection: Neither targets
It might be necessary, but ideally you'd want to bring back your Fusion that hit the grave World Legacy Guardragon - Only the first part is important
SE Secret Rare Archfiend Heiress X DARK Level 3 [ FiendEffect ] ATK 1000 DEF 0 If this card is sent to the GY by card effect, or by being destroyed by battle: You can add 1 "Archfiend" card from your Deck to your hand, except "Archfiend Heiress"
Worm Drake X EARTH Level 4 [ Reptile / Normal ] ATK 1400 DEF 1500 Once this monster wraps itself around a victim, there is no escape
Enter Galatea-i, the Orcust Automaton