Rishkar's Expertise [Aether Revolt Prerelease Promos] Coldsnap you may pay {X}

you may pay {X}

Set: Invasion Type: Instant Rarity: Rare Cost: {2}{U} Change the text of target spell or permanent by replacing all instances of one color word with another or one basic land type with another until end of turn

a legendary 4/4 green Elemental creature token

to Gerrard

Rishkar's Expertise [Aether Revolt Prerelease Promos] Coldsnap you may pay {X}Set: 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."