Hellfire checks the number of creatures put into graveyards as the result of its effect, not the number of creatures destroyed as a result of its effect. For example, a replacement effect that says “If a creature would be put into a graveyard from the battlefield, exile it instead” won’t affect whether a creature is destroyed or not, but will affect whether it’s put into a graveyard or not.
2009-10-01
wotc
A token creature that’s destroyed is put into its owner’s graveyard, and will be counted by Hellfire’s effect. (Immediately after Hellfire finishes resolving, the token will cease to exist.)
2009-10-01
wotc
A creature that regenerates instead of being destroyed doesn’t leave the battlefield, so it’s not put into a graveyard.
Format Legality
Standard
Not Legal
Future
Not Legal
Historic
Not Legal
Timeless
Not Legal
Gladiator
Not Legal
Pioneer
Not Legal
Modern
Not Legal
Legacy
Legal
Pauper
Not Legal
Vintage
Legal
Penny
Legal
Commander
Legal
Oathbreaker
Legal
Standardbrawl
Not Legal
Brawl
Not Legal
Alchemy
Not Legal
Paupercommander
Not Legal
Duel
Legal
Oldschool
Not Legal
Premodern
Not Legal
Predh
Legal
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