Collectible Card Game Headquarters

Describe the Bug:
Ulamog's Despoiler exile to gy ability give no counters

Which card did behave improperly ?
Ulamog's Despoiler

Which update are you using?(date,name)Which type(Duel,Gauntlet,Sealed Deck)
Manalink 2015/12/25: Battle For Zendikar,duel

What exactly should be the correct behavior/interaction ?
Ulamog's Despoiler exile to gy ability give counters

Are any other cards possibly affected by this bug ?
-

A manifestation of the dispatch_trigger_to_one_card bug, previously worked around in many places; now fixed definitively in 6e50c57.