Memory Erosion [Mystery Booster] San Diego Comic-Con 2014 Set: Oversize Cards Rarity: Rare

Set: Oversize Cards Rarity: Rare At the beginning of your upkeep

or enchanted by anything blue

What about the art of destruction

Set: Rivals of Ixalan Type: Legendary Artifact Rarity: Mythic Cost: {6} Players can't activate planeswalkers' loyalty abilities

it produces three times as much of that mana instead

Memory Erosion [Mystery Booster] San Diego Comic-Con 2014 Set: Oversize Cards Rarity: RareSet: Mystery Booster Type: Enchantment Rarity: Rare Cost: {1}{U}{U} Whenever an opponent casts a spell, that player mills two cards. "The Filigree Texts do not compel you to act in accordance with their precepts. They only specify the consequences should you fail." Lodus of the Ethersworn