Rishkar's Expertise [Aether Revolt Prerelease Promos] Horror Whenever you cast a creature

Whenever you cast a creature spell

then sacrifices the rest

A living invention born of a grand design

Set: Limited Edition Beta Type: Artifact Rarity: Rare Cost: {4} {2}

Set: World Magic Cup Qualifiers Type: Instant Rarity: Rare Cost: {B}{G} This spell can't be countered

Rishkar's Expertise [Aether Revolt Prerelease Promos] Horror Whenever you cast a creatureSet: Aether Revolt Prerelease Promos Type: Sorcery Rarity: Rare Cost: {4}{G}{G} Draw cards equal to the greatest power among creatures you control. You may cast a spell with mana value 5 or less from your hand without paying its mana cost. "Control the Great Conduit? You might as well try to divert a river with your hands."