Grindstone [Kaladesh Inventions] Planar Chaos it gets +2/+2 until end

it gets +2/+2 until end of turn

Threshold — Add {B}{B}{B}{B}{B} instead if seven or more cards are in your graveyard

Set: Mercadian Masques Type: Sorcery Rarity: Rare Cost: {3}{B} You may exile a black card from your hand rather than pay this spell's mana cost

Set: Portal Three Kingdoms Type: Sorcery Rarity: Common Cost: {1}{G} Search your library for a Forest card

Put that card into your hand and exile all other cards revealed this way

Grindstone [Kaladesh Inventions] Planar Chaos it gets +2/+2 until endSet: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {1} {3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process. "All attempts to halt the machine failed. We must find a way to repurpose it." Consulate engineer's log