Given both Lurrus and Yorion are influential thanks to the companion rule, and have been about equally prominent as a result, it would be weirder to talk about one without mentioning the other
If that player casts another spell, it is assumed that each other player has also passed priority, which caused the first spell to resolve and the first player to receive priority again
When you finally have a large enough collection to build decks from scratch, the cards from your starter decks can be excellent supplemental options
to your deck to draw a card
Zombie decks that can reanimate creatures can also drop this black zombie giant early, use it to create tokens, and then bring it back later as a bomb once the graveyard is full of zombies
But we then need to ensure we are able to get it out as soon as possible so we need to consider adding Rare Candy (that helps evolving one turn earlier) and a way to find it in early game