34 cards where the card types include “unicorn” or the text includes “unicorn”

Adarkar Unicorn (Ice Age #1)
A-Steadfast Unicorn (Alchemy Horizons: Baldur's Gate #A-104)
Benevolent Unicorn (Mirage #4)
Blessed Sanctuary (Jumpstart #1)
Brightmare (Jumpstart #2)
Capashen Unicorn (Invasion #10)
Captivating Unicorn (Theros Beyond Death #6)
Celestial Unicorn (Adventures in the Forgotten Realms #5)
Daybreak Charger (Core Set 2021 #14)
Emiel the Blessed (Double Masters 2022 #10)
Good-Fortune Unicorn (Foundations #240)
Inspiring Unicorn (Jumpstart #112)
Lathiel, the Bounteous Dawn (Commander Legends #285)
Lonesome Unicorn // Rider in Need (Throne of Eldraine #21)
Loyal Unicorn (Commander Masters #40)
Majestic Auricorn (Ikoria: Lair of Behemoths #22)
Mesa Unicorn (Jumpstart #122)
Neighborhood Guardian (Murders at Karlov Manor #26)
Noble Quarry (Commander 2015 #193)
Nyxborn Unicorn (Modern Horizons 3 #37)
Opaline Unicorn (Conspiracy: Take the Crown #213)
Pearled Unicorn (Fifth Edition #50)
Prized Unicorn (Core Set 2020 #342)
Regal Bunnicorn (Wilds of Eldraine #25)
Regal Unicorn (Classic Sixth Edition #35)
Revered Unicorn (Weatherlight #23)
Ronom Unicorn (Forgotten Realms Commander #71)
Seraphic Steed (Outlaws of Thunder Junction #232)
Splendor Mare (Ikoria: Lair of Behemoths #32)
Steadfast Unicorn (Commander Legends: Battle for Baldur's Gate #44)
Thurid, Mare of Destiny (Foundations Jumpstart #33)
Valorous Steed (Core Set 2021 #42)
Wishmonger (Mercadian Masques #57)
Zebra Unicorn (Mirage #290)

This search is finished. Now the real work can begin.