There are a few cards that help fill your graveyard (besides Admiral Brass herself), but not so many that you can expect to constantly be recurring Pirates from your graveyard
Troll Level: Sea Troll Subterranean Scout [casthaven]Goblin Piledriver[/casthaven] is so bad these days they had to print this card just to enable it
Cosmic Eclipse (November 2019) the final main Sun & Moon set, with Charizard & Braixen-GX, Arceus & Dialga & Palkia-GX, and other late-era TAG TEAM cards
Undercover Butler meanwhile speaks to the kinds of decks in Dimir that really want to push damage through, either to kill a player, or pull off a nasty damage trigger
I dont hate Kitsa, Otterball Elite as a card, and it's great in Bloomburrow Sealed or Draft, but its severely lacking as a commander
Too-Specific Top 10 - Borderline (Solemn SimulacrumSolemn Simulacrum | Art by Greg Staples) Something Old, Something New Welcome to Too-Specific Top 10 , where if there isnt a category to rank our pet card at the top of, well just make one up