Rishkar's Expertise [Aether Revolt Prerelease Promos] Holofoil players can't cast spells or

players can't cast spells or activate abilities that aren't mana abilities

Set: Black & White: Dragons Exalted Type: Water Rarity: Rare Retreat cost: Colorless

or a mentalist's schizophrenia

Set: Portal Three Kingdoms Type: Creature — Cat Rarity: Uncommon Cost: {2}{G}{G} Forestwalk (This creature can't be blocked as long as defending player controls a Forest

Rishkar's Expertise [Aether Revolt Prerelease Promos] Holofoil players can't cast spells orSet: 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."