Ring of Thune
Artifact — Equipment
Equipped creature has vigilance. (Attacking doesn't cause it to tap.)
At the beginning of your upkeep, put a +1/+1 counter on equipped creature if it's white.
Equip 
(: Attach to target creature you control. Equip only as a sorcery.)
イラスト：
Magic 2013#213アンコモン英語