Balmor's last ability affects only creatures you control at the time it resolves, including Balmor itself. Creatures you begin to control later in the turn or noncreature permanents that become creatures later won't get the bonus.
08-11-2024
wotc
Balmor's last ability resolves before the spell that caused it to trigger. It resolves even if that spell is countered or otherwise leaves the stack without resolving.
Random a card of Magic: The Gathering (MTG), but you can also roll the D20 dice, random a Planeswalker, have fun with the random rules and more.