Petal counter

Petal counters are a type of counter introduced in Urza's Saga that built up and were sacrificed for mana. 
==Description==
Petal counters first appeared on <c>Lotus Blossom</c> in Urza's Saga. It was an artifact which got a Petal counter added on it each upkeep. It then had a special activated ability that could be activated as a mana source to sacrifice it to create mana of one color for however many Petal counters were on it. This represented the petals of the lotus being cultivated for mana.
==Trivia==
* In Magic Online, the counter is colored green as its considered a positive effect and shares its icon with Fungus, Growth, Matrix, Polyp, Pupa, Rust, Spore and Vitality counters.
==References==