Historical Rules · 19 January 2018
Rule 701.37a
Official source text from the 19 January 2018 Rules release
To exert a permanent, you choose to have it not untap during your next untap step.
Historical Rules · 19 January 2018
Official source text from the 19 January 2018 Rules release
To exert a permanent, you choose to have it not untap during your next untap step.