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 - $23.40
Lightly Played - $21.10
Played - $16.40
Heavily Played - $14.10
Damaged - $11.70
Near Mint Non-English - $23.40
Lightly Played Non-English - $21.10
Played Non-English - $16.40
Heavily Played Non-English - $14.10
Damaged Non-English - $11.70
Foil Prices
Near Mint Foil - $27.90
Lightly Played Foil - $25.10
Played Foil - $19.60
Heavily Played Foil - $16.80
Damaged Foil - $14.00
Near Mint Foil Non-English - $27.90
Lightly Played Foil Non-English - $25.10
Played Foil Non-English - $19.60
Heavily Played Foil Non-English - $16.80
Damaged Foil Non-English - $14.00