Millstone [Antiquities] Pauper tap all untapped creatures that

tap all untapped creatures that share a creature type with it or untap all tapped creatures that share a creature type with it

Set: Eternal Masters Type: Artifact Rarity: Mythic Cost: {0} At the beginning of your upkeep

this spell costs {6} less to cast

providing you have the appropriate tools to carve them

Set: Mirrodin Besieged Type: Sorcery Rarity: Rare Cost: {X}{G} Search your library for a green creature card with mana value X or less

Millstone [Antiquities] Pauper tap all untapped creatures thatSet: Antiquities Type: Artifact Rarity: Uncommon Cost: {2} {2}, {T}: Target player mills two cards. More than one mage was driven insane by the sound of the Millstone relentlessly grinding away.