686 cards found matching is mono color

Yasuo, Remorseful
Yasuo, Windrider
Yeti Brawler
Yi, Honed
Yi, Meditative
Yone, Blademaster
Yordle Explorer
Yuumi, Magical Cat
Zaunite Bouncer
Zaun Punk
Zaun Warrens
Zephyr Sage
Zhonya's Hourglass
Zilean, Time Mage