[fixed/closed]Dragon Whelp no sacrifice & Nalathni Dragon

[Nexhro]

Describe the Bug:
Dragon Whelp is not sacrificed at the end of a turn during which its activated ability has been activated four or more times.

Which card did behave improperly ?
Dragon Whelp

Which update are you using?(date,name)Which type(Duel,Gauntlet,Sealed Deck)
CoRM15 mini, duel

What exactly should be the correct behavior/interaction ?
Dragon Whelp is sacrificed at the end of a turn during which its activated ability has been activated four or more times.

Are any other cards possibly affected by this bug ?
-

[Nexhro]

This also affects Nalathni Dragon.

[Gargaroz]

Fixed for both (they share the same code) in 11fc16c