21 cards where the name includes “fast”

Ajani Steadfast (Commander Masters #813)
Arguel's Blood Fast // Temple of Aclazotz (Ixalan #90)
Arguel's Blood Fast // Temple of Aclazotz (Ixalan #90)
A-Steadfast Unicorn (Alchemy Horizons: Baldur's Gate #A-104)
Fastbond (Vintage Masters #209)
Fast // Furious (Modern Horizons 2 #123)
Fasting (The Dark #7)
Greymond, Avacyn's Stalwart (Secret Lair Drop #143)
Linden, the Steadfast Queen (Throne of Eldraine #20)
Live Fast (Kaladesh #87)
Second Breakfast (The Lord of the Rings: Tales of Middle-earth #29)
Steadfast Armasaur (Ixalan #39)
Steadfast Cathar (Eldritch Moon #44)
Steadfast Guard (Tenth Edition #48)
Steadfastness (Starter 1999 #27)
Steadfast Paladin (Adventures in the Forgotten Realms #38)
Steadfast Sentinel (Hour of Devastation #24)
Steadfast Sentry (Core Set 2020 #40)
Steadfast Unicorn (Commander Legends: Battle for Baldur's Gate #44)
Weldfast Engineer (Aether Revolt #139)
Weldfast Monitor (Kaladesh #238)
Weldfast Wingsmith (Kaladesh #69)

Though this query has ended, its relics still slumber in New Argive.