Meekstone [Kaladesh Inventions] 110 When the declared monster is

When the declared monster is Summon

Set: HeartGold & SoulSilver: Base Set Type: Grass Rarity: Promo Retreat cost: Colorless

up to the number of Xyz Materials that were attached to this card

Set: Black & White: Base Set Type: Darkness Rarity: Holo Rare Retreat cost: Colorless

// * Send all other cards on the field to the Graveyard

Meekstone [Kaladesh Inventions] 110 When the declared monster isSet: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {1} Creatures with power 3 or greater don't untap during their controllers' untap steps. "When it oscillated above a particular frequency, the stone induced acute listlessness in several researchers." Consulate engineer's log