About: http://webisa.webdatacommons.org/130351022

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	During combat, especially in one that turns out more favorably than expected, an opponent may destroy a mana source.
http://www.w3.org/ns/prov#wasQuotedFrom	wizards.com