First, both pieces of the combo are very good in any kind of lifegain deck
While you will usually not be required to prevent players from winning in early turns, expect your opponents to be developing towards their focused wins, so having the ability to stop that win , or apply pressure so the table collectively can manage itself is important
Psychic Impetus is back to three mana and a +2/+2 boost and you scry 2 when it attacks
Tired of beefy blockers stopping your Elves
It seems like, with a new release full of hobbits and dwarves coming up, collectors are even more hyped than usual for all things JRR Tolkien
If you are able to kill an opponents creature mid-combat and pump him as a combat trick, that can make for a huge blowout