No, you do not have to attack everyone with myriad
Gifted with the ability to adapt to changing circumstances, they are never caught off guard
MTG finance has nothing to do with the price of Teferi, Hero of Dominaria or Chandra, Torch of Defiance, but these cards are still being produced by counterfeiters and bought by players
Graveyard Recursion Atzocan Seer, apart from being a mana producer, can be sacrificed to return target Dinosaur from our graveyard to our hand
I think you can make a case for it over the Sudden Spoiling in some Dimir brews and not in others where this was a blowout as a combat trick or with red mass damage effects like Mizzium Mortars that will shoot them all for 4 damage, you'd prefer the Sudden Spoiling to remove things like indestructible
Sapphire being able to accelerate the amount of Ink in their Inkwell could see Tamatoa come out turn 4 or 5