When this card is destroyed by battle and sent to the Graveyard: You can Special Summon any number of "Hyenas" from your Deck.
Rulings
Individual Card FAQs
Because the effect of "Hyena" activates in the Graveyard, the owner of "Hyena" gets the effect. So if your opponent controls your "Hyena" and it is destroyed, you get the effect.
You can Special Summon more than 1 "Hyena" using this effect.
EARTH|
Level 3|[ Beast / Effect ]
ATK 1000|
DEF 300