DIAMONDS!!!

When DIAMONDS!!! enters the battlefield,
attach it to a permanent named Rhiandrara, Vivacious Medic, you control.
DIAMONDS!!! enters the battlefield with one revivify counter on it.
Equipped creature gets +0/+1 and has "Remove
one revivify counter from DIAMONDS!!!:
Regenerate target creature." and "Sacrifice
a permanent: put one revivify counter on
DIAMONDS!!!."