The Giant synergies will be a bit harder to find with 80 cards, but were adding a lot more digging to the deck, so it might just be worth it
For example, in a deck with minimal tutoring, I might run 10+ card draw spells, but if I have tons of tutors then I can trim my card draw down to just the 5 best options
What it offers is a way efficiently using what mana you do get, whether that be a two land screw or an eight land flood
Individual packs or boxes that are still easy to find from this era can still sell for thousands of dollars though, so this is not an investment area for the faint of heart
Being able to answer otherwise problematic cards like Enigmatic Incarnation for two mana is great
Skullclamp Some sacrifices may be needed Skullclamp is a one-mana equipment card that costs one to equip, and grants the creature to which its equipped +1/-1