So, although you might control a Bear Umbra and benefit from the land untap you cant move it to your own creature to try and trigger it (and the owner will probably not attack if you gain control of it, lets be honest)
They read, Whenever an opponent sacrifices a nontoken permanent or discards a permanent card, you may put that card from a graveyard onto the battlefield under your control. That means you can attack in multiple ways, and as long as youre interfering with your opponents hand and board state, youll benefit massively from it
Some types, like Goblins and Elves, have an absurdly deep card pool, while others, like the humble Snake, have more of a card puddle
Three Strength is a big win for Peter Pan, too
Lightning Bolt is one of the most iconic red spells thats easy to slot into any applicable burn deck
is definitely for you