It claws at the earth in a vain attempt to reclaim what it once was.

Grave Sifter

When this creature enters, each player chooses a creature type and returns any number of cards of that type from their graveyard to their hand.

Commander Anthology

When Grave Sifter enters the battlefield, each player chooses a creature type and returns any number of cards of that type from his or her graveyard to his or her hand.

Commander 2014

The creature type each player chooses applies only to that player. For example, if another player chose Elf, you wouldn’t return Elf cards to your hand unless you also chose Elf (or if an Elf card in your graveyard also had the creature type you chose).