Icewrought Sentry
Creature — Elemental Soldier
Vigilance
Whenever this creature attacks, you may pay 
. When you do, tap target creature an opponent controls.
Whenever you tap an untapped creature an opponent controls, this creature gets +2/+1 until end of turn.
2/3
イラスト：
Wilds of Eldraine#55アンコモン英語