Timbermaw Larva {3}{G}
Creature — Beast
Whenever this creature attacks, it gets +1/+1 until end of turn for each Forest you control.
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Cards that do something similar expected a card that isn't here?
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Aurochs 81%
#29850
"Whenever this creature attacks, it gets +1/+0 until end of turn for each other attacking this card."
Lavakin Brawler 80%
$0.10#24016
"Whenever this creature attacks, it gets +1/+0 until end of turn for each Elemental you control."