Personally, Im hoping to have the Heros Downfall in hand for the sorts of games where that matters, but it will absolutely come up and be a big deal in grindy Cubes
Simic commanders all do the same thing
Rivals of Ixalan from 2018 revealed more dinosaurs, vampires, and pirates that can be used in those kinds of typal decks
Bumbleflower I need to be so clear about this deck
Whispersilk Cloaks main drawback is that shroud means you wont be able to equip any other cool weapons to that creature, so be sure to order your equipping effects correctly, or else risk wasting 4 mana to move the Cloak back and forth from one creature to another to finish arming one of them
Simply type in your commander and you can see popular combos that work with your deck, like the famous combo with Phyrexian AltarPhyrexian Altar and GravecrawlerGravecrawler: However your deck is planning to win, you'll want at least seven cards that provide the answer to that critical question