Runebound Wolf
Creature — Wolf
, 
: This creature deals damage equal to the number of Wolves and Werewolves you control to target opponent.
The wolf's captor hid his fear, but he knew someday the runes would fail, the collar would break, and the wolf would remember his face.
Tomas Duchek
Rulings
If you control a creature that is both a Wolf and a Werewolf, it's counted only once for Runebound Wolf's ability.
(wotc • 2021-11-19)
Runebound Wolf's activated ability counts the number of Wolves and Werewolves you control at the time it resolves, not at the time it was activated.
(wotc • 2021-11-19)
Rulings
If you control a creature that is both a Wolf and a Werewolf, it's counted only once for Runebound Wolf's ability.
(wotc • 2021-11-19)
Runebound Wolf's activated ability counts the number of Wolves and Werewolves you control at the time it resolves, not at the time it was activated.
(wotc • 2021-11-19)