Only a few specific archetypes may want to include the other cards, but Afterlife from the Loam could go in a ton of different things
While the format is actually a little worse for the card on a single card basis, as a color combination, W/B is one of the defining color combinations of the format
If you've got a Sheoldred the Apocalypse in play, you'll be gaining life
Leader Nami lets you trash a card from your hand to gain +2,000 Power until the end of the turn
For this approach, Chasm Skulker is also a great choice, as it gets a +1/+1 counter whenever you draw a card, before making that many 1/1 Squid Horrors with Islandwalk when it dies
4 Pokmon TCG booster packs (Each Sword & Shield Series and Sun & Moon Series booster pack contains 10 cards and 1 basic Energy Each XY Series booster pack contains 10 cards.)