A variety of creature-toolbox decks rely on Chord of Calling as an instant-speed tutor to find silver bullet answers like Reclamation Sage and Collector Ouphe to hamper their opponents, or to assemble value engines with cards like Yawgmoth, Thran Physician
We instead apply the replacement effect in Rule 7: If a commander is in a graveyard or in exile and that card was put into that zone since the last time state-based actions were checked, its owner may put it into the command zone
As with all cards that give the option of playing additional lands, its purely a tempo play, so pair it with adequate card draw
Judith, the Scourge Diva hit the 22 cent mark to round out third
Gloryheath Lynx: Digging for Plains cards is underrated
In all honesty, I feel a kinship with this deflated-looking Eldrazi Drone