Its a bit costly at 3 mana and 3 life, but you have almost no restrictions on your target or timing, making it a great catch-all
This lets you adapt your playstyle based on the game in front of you, and means that a go-wide strategy is less of a risk in the face of a sweeper
There is not much that can block a big Deaths Shadow, however, many of the common removal spells of the format can take care of it, until Lurrus Deaths Shadow and the namesake deck are emblematic for how Magic is played today, interrupt your opponent, play a cheap strong threat and counter whatever your opponent tries to play against you
Maybe I'll move Cayth to a better rank in the future
Spells such as Duel for Dominance buff your creatures before they fight an opponent's creature
Use cheap, unblockable creatures like Slither Blade and Triton Shorestalker to reliably connect