19 cards where the illustration contains “hippo”

Bull Hippo (Seventh Edition #233)
Bull Hippo (Urza's Saga #239)
Bull Hippo (Portal #160)
Defiant Greatmaw (Amonkhet #163)
Hippo (Amonkhet Tokens #22)
Hydradoodle (Unstable #112)
Keruga, the Macrosage (Multiverse Legends #48)
Keruga, the Macrosage (Ikoria: Lair of Behemoths #354)
Lazotep Behemoth (War of the Spark #95)
Momentum (Urza's Destiny #113)
Mouth // Feed (Amonkhet #214)
Phelddagrif (Alliances #115)
Pygmy Hippo (Visions #133)
Questing Phelddagrif (Planeshift #119)
Questing Phelddagrif (Secret Lair Drop #671)
Rampaging Hippo (Hour of Devastation #128)
Uktabi Wildcats (Seventh Edition #278)
Uncage the Menagerie (Hour of Devastation #137)
Yavimaya Hollow (Urza's Destiny #143)

In the blink of an eye, they strode from deep snow to the end of this search.