About: http://webisa.webdatacommons.org/135606136

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	The ability you describe is an activated ability, where the cost is tapping the creature and the effect is adding one mana to your mana pool.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com