Ruby/Sapphire absolutely has what it needs to be a dominant deck in the Lorcana metagame
But, of course, provided you're keeping two or more cards in your hand when on the receiving end of a discard spell, you should always take into account what kind of synergy or play style will emerge from keeping each set of cards
10/10 Illustrated by Carl Critchlow The List #MRD-195 Rulings for Leveler 1 2021-03-19 You won't lose the game until you try to draw from the empty library
If you prefer playing with physical decks, you can play via video chat
These are hard plastic shells that you can slide an individual card into to keep it safe from liquids, dents, or curling (foil curling is a big problem with Magic cards printed in the last few years)
Generating 2 mana per turn is broken, and many decks will gladly throw 2 life away for this benefit