Grist, the Hunger Tide [Secret Lair Drop Series] Legacy You may cast one of

You may cast one of them without paying its mana cost

Whenever you cast a blue spell

Set: Theros Beyond Death Type: Enchantment Creature — Horse Fish Rarity: Rare Cost: {2}{U} Whenever you cast your first spell during each opponent's turn

The Arbiter is a conduit of justice

Bringer of Madness

Grist, the Hunger Tide [Secret Lair Drop Series] Legacy You may cast one ofSet: Secret Lair Drop Series Type: Legendary Planeswalker Grist Rarity: Mythic Cost: {1}{B}{G} 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