Rishkar, Peema Renegade [Aether Revolt Prerelease Promos] Island Swamp Mountain Its activated abilities can't be

Its activated abilities can't be activated this turn

Exile Cannon — When Canoptek Tomb Sentinel enters the battlefield from a graveyard

I've seen the other side

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

Set: Fourth Edition (Foreign Black Border) Type: Creature — Human Cleric Rarity: Common Cost: {1}{W} {T}: Prevent the next 1 damage that would be dealt to any target this turn

Rishkar, Peema Renegade [Aether Revolt Prerelease Promos] Island Swamp Mountain Its activated abilities can't beSet: 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."