In her father's place, Ray confronted Z-ARC, which resulted in her soul being split into four and reincarnated into four different lives
In Alpha's case in particular, even if he can't be touched by things like Dark Hole, Torrential Tribute or Mirror Force, he can still be destroyed by monster effects or bounced off the field (Metaion, Compulsory Evac, etc), especially if he gets caught without Segment
And it is something very few players implement when building EDH political decks
Let's not forget some of the best creaturefall cards in Cathars' Crusade, Vaultborn Tyrant, and Terror of the Peaks for strong value with any repeatable creature blink
This card might be a little bit too good on its own, but right now nobody is drafting Ampharos