18 cards where the full Oracle text includes “phasing”

Breezekeeper (Visions #27)
Cloak of Invisibility (Mirage #58)
Ertai's Familiar (Weatherlight #38)
Katabatic Winds (Visions #109)
Merfolk Raiders (Mirage #75)
Old Fogey (Unsanctioned #67)
Sandbar Crocodile (Mirage #88)
Shimmer (Mirage #92)
Shimmering Efreet (Visions #42)
Taniwha (Mirage #95)
Teferi's Curse (Mirage #96)
Teferi's Drake (Mirage #97)
Teferi's Imp (Mirage #98)
Teferi's Isle (Mirage #330)
The Phasing of Zhalfir (Dominaria United #59)
Time and Tide (Visions #46)
Tolarian Drake (Weatherlight #55)
Warping Wurm (Mirage #287)

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