36 cards where the cards have the “ojutai” watermark

Artful Maneuver (Dragons of Tarkir #4)
Aven Sunstriker (Dragons of Tarkir #5)
Belltoll Dragon (Dragons of Tarkir #46)
Blessed Reincarnation (Dragons of Tarkir #47)
Center Soul (Dragons of Tarkir #8)
Cunning Breezedancer (Dragons of Tarkir #215)
Dragonlord Ojutai (Dragons of Tarkir #219)
Dragon's Eye Sentry (Dragons of Tarkir #11)
Elusive Spellfist (Dragons of Tarkir #53)
Graceblade Artisan (Dragons of Tarkir #20)
Great Teacher's Decree (Dragons of Tarkir #21)
Icefall Regent (Dragons of Tarkir #58)
Living Lore (Dragons of Tarkir #61)
Mindscour Dragon (Fate Reforged #41)
Monastery Loremaster (Dragons of Tarkir #63)
Mystic of the Hidden Way (Magic Online Promos #55775)
Myth Realized (Dragons of Tarkir #26)
Ojutai Exemplars (Dragons of Tarkir #27)
Ojutai Interceptor (Dragons of Tarkir #66)
Ojutai Monument (Dragons of Tarkir #242)
Ojutai's Breath (Dragons of Tarkir #67)
Ojutai's Command (Dragons of Tarkir #227)
Ojutai, Soul of Winter (Fate Reforged #156)
Ojutai's Summons (Dragons of Tarkir #68)
Orator of Ojutai (Dragons of Tarkir #28)
Pristine Skywise (Dragons of Tarkir #228)
Profound Journey (Dragons of Tarkir #30)
Sight Beyond Sight (Dragons of Tarkir #75)
Skywise Teachings (Dragons of Tarkir #79)
Stratus Dancer (Dragons of Tarkir #80)
Strongarm Monk (Dragons of Tarkir #39)
Student of Ojutai (Dragons of Tarkir #40)
Taigam's Strike (Dragons of Tarkir #81)
Updraft Elemental (Dragons of Tarkir #82)
Void Squall (Dragons of Tarkir #83)
Zephyr Scribe (Dragons of Tarkir #85)

The message was clear to Sorin—time to search for something else.