If the targeted player skips their next turn, you'll control the next turn the affected player actually takes
Whenever you cast a spell, each opponent reveals cards from the top of their library until they reveal a land card, then puts those cards into their graveyard
Except for not being legendary, the token copies exactly what was printed on the original creature and nothing else (unless that permanent is itself copying something else
Thats good, but it also reads, Whenever you cast a spell, each opponent reveals cards from the top of their library until they reveal a land card, then puts those cards into their graveyard. Being able to cast any spell and then mill everyone is absurd, and the fact that this can then also kill people if needs be is unparalleled
If you choose to go multi-type, just make sure your Trainer cards are curated to search for the specific Energy required by your diverse attackers to avoid getting stuck