It puts your whole hand in your graveyard, which of course is useful for decks that want things there, and interacting with your graveyard is something that black naturally does quite well
Its similar to a Hallowed Moonlight effect in blue, and the cycling effect lets you get rid of the card if its not needed
If it is destroyed but put into a zone other than a graveyard, you'll gain life
Creature - Bird Color tag templates(None) Jubilant Skybonder Flying Creatures you control with flying have "Spells your opponents cast that target this creature cost more to cast." Creature - Human Wizard Color tag templates(None) Judge's Familiar Flying Sacrifice this creature: Counter target instant or sorcery spell unless its controller pays
Until next time, happy testing
This is key, as Grolnok allows you to cast spells and play lands from exile with croak counters on them, meaning that through attacking, Grolnok's ability can effectively draw you three additional cards each turn