Leviathan costs a lot of mana, and then it punishes your mana base if you want to, you know, use it
Ironically, Griselbrand almost singlehandedly drove Reanimator out of the metagame in Legacy, by making Sneak and Show so consistent that there's not much reason to go through your graveyard but, whenever graveyard hate diminishes, top players often pick up the Exhume-based combo again in order to be faster than the Sneak and Show deck
Do you want to win, or just play the style that reminds you of the good old days? For instance, we could play something like this: Creatures (3) Planeswalkers (2) Lands (26) Spells (29) Looks like a lot of fun, for sure
Some of these cards are what are known as "win more" cards
Epic Ante Games Rebirth | Illustration by Mark Tedin Although the ante rule has been strictly forbidden in sanctioned play since sanctioned play has existed, that hasnt stopped it from remaining a part of casual Magic to a certain extent
You also dont have to blow up one of your own lands (though you can if like)