51 cards where the card types include “creature” and the mana value <= 2 and the set is “m19”

Ajani's Pridemate (Core Set 2019 #5)
Cavalry Drillmaster (Core Set 2019 #8)
Child of Night (Core Set 2019 #89)
Court Cleric (Core Set 2019 #283)
Dark-Dweller Oracle (Core Set 2019 #134)
Daybreak Chaplain (Core Set 2019 #10)
Departed Deckhand (Core Set 2019 #49)
Diamond Mare (Core Set 2019 #231)
Diregraf Ghoul (Core Set 2019 #92)
Dismissive Pyromancer (Core Set 2019 #136)
Doomed Dissenter (Core Set 2019 #93)
Druid of the Cowl (Core Set 2019 #177)
Dryad Greenseeker (Core Set 2019 #178)
Elvish Clancaller (Core Set 2019 #179)
Field Creeper (Core Set 2019 #234)
Gearsmith Prodigy (Core Set 2019 #57)
Goblin Instigator (Core Set 2019 #142)
Goblin Motivator (Core Set 2019 #143)
Grasping Scoundrel (Core Set 2019 #312)
Graveyard Marshal (Core Set 2019 #99)
Greenwood Sentinel (Core Set 2019 #187)
Highland Game (Core Set 2019 #188)
Hungering Hydra (Core Set 2019 #189)
Kargan Dragonrider (Core Set 2019 #297)
Leonin Vanguard (Core Set 2019 #22)
Lightning Mare (Core Set 2019 #151)
Llanowar Elves (Core Set 2019 #314)
Mistcaller (Core Set 2019 #62)
Mist-Cloaked Herald (Core Set 2019 #310)
Mystic Archaeologist (Core Set 2019 #63)
Novice Knight (Core Set 2019 #30)
Omenspeaker (Core Set 2019 #64)
Oreskos Swiftclaw (Core Set 2019 #31)
Reassembling Skeleton (Core Set 2019 #116)
Remorseful Cleric (Core Set 2019 #33)
Rustwing Falcon (Core Set 2019 #36)
Silverbeak Griffin (Core Set 2019 #285)
Stitcher's Supplier (Core Set 2019 #121)
Suncleanser (Core Set 2019 #39)
Sun Sentinel (Core Set 2019 #307)
Supreme Phantom (Core Set 2019 #76)
Surge Mare (Core Set 2019 #77)
Suspicious Bookcase (Core Set 2019 #246)
Tattered Mummy (Core Set 2019 #295)
Thorn Lieutenant (Core Set 2019 #203)
Ursine Champion (Core Set 2019 #304)
Vampire Neonate (Core Set 2019 #124)
Viashino Pyromancer (Core Set 2019 #166)
Walking Corpse (Core Set 2019 #126)
Wall of Mist (Core Set 2019 #83)
Wall of Vines (Core Set 2019 #210)

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