Copy it, then reselect the targets at random for the spell and the copy
There may even be multiple temptation tracks you could follow but well have to wait and see to know for certain
May bloodflies empty your veins and turn you into a dried leather sack, cow! Bruse Tarl, Goma Fada nomad Illustrated by Ilse Gort Standard Not Legal Alchemy Not Legal Pioneer Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp
The second ability is a bit less frequently used, but its a great protection skill that allows you to evade a removal spell that intends to destroy one of your creatures with any sort of damage, be it targeted or a universal board wipe in MTG like Blasphemous Act
I found the following cards to deal with this: Aegis of the Gods/Metropolis Reformer: hexproof for yourself, which prevents opponents from targeting you with abilities/spells, amongst which are spells that force you to sacrifice your own creatures (which is one of the ways in which your opponents can still get rid of Avacyn, eventhough she's indestructible)
