Infinite Reflection attached to Treva's Attendant.
({1} magic symbol) ({G} magic symbol) available.
Steps
Cast Wild Dogs either from your hand or from your graveyard by paying ({G} magic symbol) , causing it to enter the battlefield as a copy of Treva's Attendant due to Infinite Reflection.
If you cast Wild Dogs from your graveyard, Wild Dogs is not exiled by Abandoned Sarcophagus due to Infinite Reflection removing Wild Dogs's cycling ability.