Most white aggressive and midrange decks are filled to the brim with creatures, and each set adds another white rare or mythic creature to the best white creature conversation
The timing to search and salvage is late as it is the end phase, but it is possible to access all dragons other than the same name, and it is excellent that it can be deployed even in the opponent's turn with a common effect
YGO Doom of Dimensions Booster Box (1st Edition) $94.95 /ea 1 Only 2 left
Varragoth, Bloodsky Sire is a pretty reasonable tutor, and if you need to, you can find an effect for someone else to use (hopefully to your benefit, like a board wipe or removal spell)
Professors Research, a Supporter card that allows you to draw two cards during your turn, is worth including in just about every deck, while cards that allow you to draw Pokmon, such as Pok Ball or the newly released Pokmon Communication, are especially important for decks that rely on Evolution Pokmon (especially Stage 2 Pokmon), since the impact of those Pokmon is limited by how quickly you can get them into play
This is trivial to fulfill: just plop down Fenrir on your first turn