Consuming Fervor

Oracle Text

Enchant creature

Enchanted creature gets +3/+3 and has "At the beginning of your upkeep, put a -1/-1 counter on this creature."

Card Rulings

4/18/2017 If Consuming Fervor is removed, the enchanted creature keeps the -1/-1 counters but loses the +3/+3 bonus.
4/18/2017 If one creature is enchanted with two Consuming Fervors, it has the triggered ability twice and it gets two -1/-1 counters at the beginning of your upkeep.