Keening Stone [Rise of the Eldrazi] Island Mountain Sacrifice a creature with defender:

Sacrifice a creature with defender: Draw a card

Set: Commander Masters Type: Legendary Artifact Rarity: Mythic Cost: {6} Players can't activate planeswalkers' loyalty abilities

Set: Guilds of Ravnica Guild Kit Type: Enchantment — Aura Rarity: Uncommon Cost: {4}{G}{W} Enchant creature

they do not desert their homes

"Lady Luck

Keening Stone [Rise of the Eldrazi] Island Mountain Sacrifice a creature with defender:Set: Rise of the Eldrazi Type: Artifact Rarity: Rare Cost: {6} {5}, {T}: Target player mills X cards, where X is the number of cards in that player's graveyard. As it spins, dead voices shriek in an ever increasing cacophony, rending the mind asunder.