MTG Foundations arrived in late 2024 as a unique entry point for new players while still appealing to long-time collectors
That being largely a matter of "these seem interesting, but likely won't see play unless the right deck comes around." There're a few exceptions, which I'll touch on, but to save you, the reader, your sanity by not reading the same line over and over across 20-30 cards, I'm going to talk about them mainly in groups here and now
(Some awesome rares in there, though!) Diabolical
For discard spells to warrant two or more mana, they tend to be very high-impact, like Hymn to Tourach or Blightning
Bonehoard Dracosaur Giant 5 mana dragons come and go, but usually they need haste to make it in Standard