If your deck is built around lands, like Omnath, Locus of Creation, focus on land-based ramp
TEN-001 Nightmare Moon, the Immortal Shadow She's a nomi monster (oh no!), but can be chocked to the field easily with cards like Allure of Darkness (after the time lag - which awesomely will start causing your opponent to panic.) (Protip: she self protects against Bottomless Trap Holes hahaha) She automatically gives you +1 by tagging along with the Eternal Night Field Spell, as well as protecting it from S/T destruction, and causes opposing monsters to "bow down" to her
Whether this captain provides backup for one, two, or three other creatures is really good because when combined with trample you're much more likely to deal combat damage to an opponent
Sephiroth, Fallen Hero - I didnt see a lot of fanfare for this since it slipped under the radar, but it gives me slight Otharri vibes by being able to return from the grave and representing a lot of damage on attack
The Smashing Power of Galarian Sirfetchd
Chart shows the price of Shanks OP09-001 at the end of each month going back as long as we have tracked the item.