Aspect of Zariel, Gyokuken

Dread Hunter —When Canis Umbris enters the battlefield, choose a creature. Canis Umbris has protection from that creature. (This creature can't
be blocked, targeted, or dealt damage by target creature.)

Conjoin — At the beginning of your upkeep, if
you control two creatures named Aspect of Zariel, Gyokuken,You may exile them, then meld them into Aspect of Zariel, Canis Noctis.