Constructed formats are where you build a deck from among the cards you own and you play with that deck
Luminate Primordial, Diluvian Primordial, Sepulchral Primordial, Molten Primordial, and Sylvan Primordial Return to Ravnica had a rare cycle of uncounterable spells (Supreme Verdict, Counterflux, Abrupt Decay, Slaughter Games, and Loxodon Smiter)
Is or Is Not The takeaway, then, on the topic of cutting cards and eliminating cards from consideration, is that once Ive decided I want a Humans theme, I will heavily scrutinize any non-Human creatures
With these substitutions trying to focus more on the theme of doing damage on your opponent's turn rather than your own, it might be really hard to get Rakdos, Lord of Riots on the board , so he gets cut
Tempest's Living Death essentially swapped the creatures each player controlled with the ones in their graveyard, in so many words