Pidgeotto from Base Set is trading around $2.27 on the secondary market
He could also be a value piece in Jasper Flint or Olivia, since Warlocks are Outlaws
Avizoa Clinging Anemones Cloudsculpt Technician Dormant Gomazoa Electrozoa Esperzoa Glimmerbell Glowing Anemone Gomazoa Guard Gomazoa Hydroid Krasis Illvoi Galeblade Illvoi Infiltrator Illvoi Operative Man-o'-War Mechanozoa Mm'menon, Uthros Exile Mm'menon, the Right Hand Numbing Jellyfish Sinister Cryologist The Reality Chip Uthros Psionicist Watchful Blisterzoa
Emeritus of Conflict is a solid $12, and Emeritus of Truce is around $10 with earlier copies selling north of $20
That is why two free tools can scan the same card and show different estimates without either being intentionally wrong
Theros -block scry lands were more what I was envisioning, plus Windswept Heath and Polluted Delta the off-color fetches that competitive players will play for functionality, but that most casual players will avoid for aesthetic reasons