If you want an EDH deck that abuses this to its full potential, we wrote a guide on it
As in Pokmon and MTG, much of Lorcanas strategy unfolds well before the Illumineers face off
Loxi: The one tricky part with this is that he can eventually get big enough that it might be awkward to actually get the copies off his trigger, but at that point you're probably already in a pretty powerful board position
Casting one Magma Opus on your opponents upkeep is usually enough to lock up a game, and a secondary plan of protecting the ever-present Fable of the Mirror-Breaker and copying some Dragons works equally well
Shizo, Death's Storehouse grants one of your legends fear, meaning youll sneak some huge damage off Traxos, Scourge of Kroog or Etali, Primal Storm right past the only player who forgot to play black
Flip a coin for each of your Pokmon in play (including this one)