Historical Rules · 5 June 2017
Rule 701.37a
Official source text from the 5 June 2017 Rules release
To exert a permanent, you choose to have it not untap during your next untap step.
Historical Rules · 5 June 2017
Official source text from the 5 June 2017 Rules release
To exert a permanent, you choose to have it not untap during your next untap step.