That might be card advantage from cards like Underworld Breach, Muldrotha, the Gravetide, and Osteomancer Adept, or it could be creature-based rewards from the likes of Sidisi, Brood Tyrant
Amber/Ruby Starter Deck List Emerald/Sapphire Starter Deck Starter Deck Strategy Inventors are the cornerstone of this deck, but the real fun lies in all of the varied effects they have
Card Draw Yuma, Proud Protector let us draw a card on ETB and on attack trigger (if we choose to sacrifice a Land), so he greatly help us with card draw
Surveil is just everywhere
Proper nouns and legendary cards from Magic 's Multiverse don't exist in these partners' worlds, so without giving them different names, certain Commander staples aren't usable in preconstructed Commander decks
But that's not how things have to work here in your deck