Deaths Shadow is mostly an outdated Constructed card that doesnt really have a home anymore
The deck is exceptionally heavy on removal spells, with Archfiend of DepravityArchfiend of Depravity, Deadly TempestDeadly Tempest, Blasphemous ActBlasphemous Act, and Reign of the PitReign of the Pit to name just a few
While it might seem limited at first glance by only exiling things with a converted mana cost of one, hitting any one-mana permanent is actually a pretty great deal for just a single mana, especially in older formats like Modern and Legacy that put a high value on efficiency
But the Tiger you are guaranteed to be able to cast on your next turn
Cards would scry first and then make use of the card drawn, scry would be mixed and matched with other mechanics, it was used as part of cycles plucking mechanics from all over Magic's past, and it even made use of (gasp) scrying for numbers other than 2