The One Ring

Indestructible
Equipped creature gets +3/+3 and has hexproof.
During your endstep, put a -1/-1 counter on equipped creature unless it's toughness is 1.
Equip {1}
Ash nazg durbatulûk, ash nazg gimbatul,
Ash nazg thrakatulûk agh burzum-ishi krimpatul.