Enraged Hoarding Bug

Flying
Stay Silent( Whenever an opponent casts their second spell each turn, this ability activates.) Put a fiend counter on target artifact or enchantment an opponent controls.

Whenever Enraged Hoarding Bug deals combat damage to an opponent, each opponent takes 1 damage for each fiend counter they have on permanents they control.

At the beginning of your end step, if your opponents have 7 or more fiend counters on permanents they control,flip Enraged Hoarding Bug.