Your search for "Repeated Reverberation 879" revealed the following:
Swablu - 081/103 - Common - Reverse Holo from Mega Evolution: Delta Reign, available at 401 Games Canada. Rarity: Common Finish: Reverse Holo Artist: Shiburingaru Card Text:[C] Run AroundSwitch this Pokémon with 1 of your Benched Pokémon.[CC] Peck (20)
Repeated Reverberation (CMM) from Commander Masters, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Izzy Card Text:When you next cast an instant spell, cast a sorcery spell, or activate a loyalty ability this turn, copy that spell or...