For those hunting Curios, its worth checking the list of all discovered ones here: Given the Site distribution limitations for constructed play, Id recommend new players consider starting with a Precon, or supplementing a Beta box with an additional box of another set and/or singles if you want to build legal constructed decks immediately
FlashbackTap three untapped white creatures you control
Card Weight Source: Speaking of card weight, this is another thing you can check for with a little help from a scale
Giver of Runes is distinctly worse since it cant protect itself, but its still worth playing
Luckily, I have a step-by-step deckbuilding guide just for you so that you can go ahead and start playing MTG as soon as possible
The reprints are phenomenal, but Im going to dock Blood Rites some points for being the third vampire precon, whereas the rest are all the first of their kind