Demon Summoning Hag

When Demon Summoning Hag enters the battlefield, create a 1/1 red Goblin creature token.
{1}{b}, {t}: Create a 1/1 red Goblin creature token, and put a trial counter on Demon Summoning Hag. But if she has two trial counters, instead sacrifice Demon Summoning Hag and create a 5/5 black Demon creature token with flying.
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"Another failed experiment..."