Grindstone [Kaladesh Inventions] Commander Anthology create a token that's a

create a token that's a copy of Polyraptor

At the beginning of your upkeep

While doing so

Set: Amonkhet Invocations Type: Enchantment Mythic Cost: {2}{R} {3}{R}{R}: Untap all creatures you control

Set: Tempest Type: Sorcery Rare Cost: {3}{B}{B} Each player exiles all creature cards from their graveyard

Grindstone [Kaladesh Inventions] Commander Anthology create a token that's aSet: Kaladesh Inventions Type: Artifact 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