
Flash
Mold Earth — Whenever one or more lands enter under an opponent's control without being played, you may search your library for a Plains card, put it onto the battlefield tapped, then shuffle. Do this only once each turn.
Deep Gnome Terramancer has 3 printings, first in Commander Legends: Battle for Baldur's Gate (2022). EDHREC ranks it #2,257 among Commander cards. It appears most in Sonic the Hedgehog decks (2,061 on EDHREC). 1 public deck on TCG runs it.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.