When Cartographer's Companion enters the battlefield, create a Map token. (It's an artifact with "{1}, {T}, Sacrifice this artifact: Target creature you control explores. Activate only as a sorcery.")
Ever since the Fomori's attempt long ago to extinguish Chimil's light, the Oltec have taken extensive measures to never get lost in the Core.
![Cartographer's Companion [The Lost Caverns of Ixalan]](http://www.cardmerchanttakapuna.co.nz/cdn/shop/files/b5c61ac6-b03a-51ae-954c-abf6524d03a0.png?v=1773877507&width=1445)