The rules are simple, and we even have videos that teach you how to play
When played from the hand to evolve a Pokmon, it heals all damage from each of your Evolution Pokmon, though at the cost of discarding their energy
Plague Engineer is a retro foil reprint that can greatly harm tribal decks, and this thing is worth $30
These cards make a huge difference to what players can do and greatly limits their options, especially powerful cards such as Sabrini
As you get closer to end of a game, where hands are emptier and answers are largely spent, finding a finisher like Tooth and Nail or Rise of the Dark Realms is generally a safe play, even if youll have to wait until next turn to cast it
Suddenly your Leyline Bindings are answering two permanents, your evoke Elementals become super-charged double triggering when they enter the battlefield, your Fable of the Mirror-Breaker is making double the Goblin tokens, and this isnt even considering the possibility of actually building around Elesh Norn in some sort of ETB heavy Soulherder or Ephemerate blink shell