Historical Rules · 25 January 2019
Rule 306.3
Official source text from the 25 January 2019 Rules release
Planeswalker subtypes are always a single word and are listed after a long dash: "Planeswalker - Jace." Each word after the dash is a separate subtype. Planeswalker subtypes are also called planeswalker types. Planeswalkers may have multiple subtypes. See rule 205.3j for the complete list of planeswalker types.