27 cards where the illustration contains “selesnya-elemental”

Arboretum Elemental (Guilds of Ravnica #122)
Awakening of Vitu-Ghazi (War of the Spark #152)
Bloom Hulk (War of the Spark #154)
Botanical Brawler (March of the Machine #384)
Bounty of Might (Guilds of Ravnica #124)
Breaking // Entering (Dragon's Maze #124)
Collective Blessing (Return to Ravnica #150)
Crushing Canopy (Guilds of Ravnica #126)
Elemental (Return to Ravnica Tokens #12)
Elemental (Dragon's Maze Tokens #1)
Elemental // Elemental (Unstable Tokens #17)
Elemental // Elemental (Unstable Tokens #17)
Emmara Tandris (Dragon's Maze #68)
Forest (War of the Spark #264)
Full Flowering (Commander 2019 #32)
God-Eternal Rhonas (San Diego Comic-Con 2019 #163)
Grove of the Guardian (Return to Ravnica #240)
Knight of Autumn (Guilds of Ravnica #183)
March of the Multitudes (Guilds of Ravnica #188)
Nissa's Triumph (War of the Spark #170)
Nissa, Who Shakes the World (War of the Spark #169)
Nissa, Who Shakes the World (War of the Spark #169★)
Realmbreaker's Grasp (March of the Machine #33)
Risen Sanctuary (Return to Ravnica #190)
Scion of Vitu-Ghazi (Dragon's Maze #7)
Topple the Statue (War of the Spark #35)
Wayfaring Temple (Return to Ravnica #209)
Worldsoul Colossus (Guilds of Ravnica #215)

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