Rishkar, Peema Renegade [Aether Revolt Prerelease Promos] Island Swamp Mountain they play it without paying

they play it without paying its mana cost

Set: Mirage Type: Instant Rarity: Uncommon Cost: {U} Search your library for an instant or sorcery card and reveal that card

(Treat phased-out creatures and anything attached to them as though they don't exist until their controller's next turn

Set: Fourth Edition (Foreign Black Border) Type: Instant Rarity: Common Cost: {U} Return target creature to its owner's hand

Set: The List Type: Enchantment Creature — Nymph Dryad Rarity: Rare Cost: {2}{G} You may play an additional land on each of your turns

Rishkar, Peema Renegade [Aether Revolt Prerelease Promos] Island Swamp Mountain they play it without payingSet: Aether Revolt Prerelease Promos Type: Legendary Creature Elf Druid Rarity: Rare Cost: {2}{G} When Rishkar, Peema Renegade enters the battlefield, put a +1 +1 counter on each of up to two target creatures. Each creature you control with a counter on it has "{T}: Add {G}." "Aether is the soul of Kaladesh, and all souls should be free."