>>96241151
you want a card like this to consistently enable a win. more often than not it's cast because the deck burnt out and needs more fuel. if your graveyard is dry it doesn't function. best case your hand is refilled with cards which haven't done much for you so far that probably wont be cast until next turn.
in a colour identity that cares about the grave you likely have better options. in mono green there are more consistent ways to refuel, recur or reach critical mass that are either more flexible or lower cost.
if it's the recursion you care about then there are not only lower cmc, but also instant speed cards that could double as interaction to protect your grave or hinder an opponents deck.
if you want the hand size increase just play a reliquary tower, in green you can tutor it no problem. alternatively, have enough mana to play the cards in your hand.