Undyne, the True Heroin

Reach
At the beginning of your upkeep Undyne, the
True Heroin gets persist the next upkeep.
At the beginning of an opponent's upkeep
Undyne, the True Heroin gets undying until your
next upkeep.
If persist or undying activates on Undyne, the
True Heroin, Undyne, the True Heroin can't be affected by them.
{2}: Target creature has defender until
damaged by Undyne, the True Heroin.