As long as Grist, the Hunger Tide isn't on the battlefield, it's a 1/1 insect creature in addition to its other types.
[+1] Create a 1/1 black and green Insect creature token, then mill a card. If an Insect card was milled this way, put a loyalty counter on Grist and repeat this process.
[-2] You may sacrifice a creature. When you do, destroy target creature or planeswalker.
[-5] Each opponent loses life equal to the number of creature cards in your graveyard.
Near Mint - $17.25
Lightly Played - $16.25
Moderately Played - $13.75
Heavily Played - $10.25
Damaged - $8.75
Near Mint Non-English - $17.25
Lightly Played Non-English - $16.25
Moderately Played Non-English - $13.75
Heavily Played Non-English - $10.25
Damaged Non-English - $8.75
Foil Prices
Near Mint Foil - $20.75
Lightly Played Foil - $19.75
Moderately Played Foil - $16.75
Heavily Played Foil - $12.50
Damaged Foil - $10.50
Near Mint Foil Non-English - $20.75
Lightly Played Foil Non-English - $19.75
Moderately Played Foil Non-English - $16.75
Heavily Played Foil Non-English - $12.50
Damaged Foil Non-English - $10.50