Journey Together Marked the Triumphant Return of Trainer's Pokmon Trainers Pokmon is a popular mechanic in the TCG, since iconic characters can be paired with the Pokmon used in battle
For example, creating three Rhystic Study copies makes it almost impossible for your opponents to play the game without feeding you cards, multiple Archangel of Tithes shuts down attackers, and so on
They didn't use it to turn a corner, to start trying to win the game, rather just used it to lock down the game a little bit more
Psionic Ritual lets you free-cast an instant or sorcery spell from your graveyard, and replicates by tapping horrors
They don't copy whether that creature is tapped or untapped, whether it has any counters on it or Auras and Equipment attached to it, or any non-copy effects that have changed its power, toughness, types, color, and so on