When Killmonger enters, you may sacrifice another creature. When you do, destroy target nonland permanent an opponent controls.
As long as there are two or more creature cards in your graveyard, Killmonger gets +2/+1.
The information presented on this site about Magic: The Gathering, both literal and graphical, is copyrighted by Wizards of the Coast.
This website is not produced, endorsed, supported, or affiliated with Wizards of the Coast.