Endurance, as part of the pitch cards and evoke cycle of Modern Horizons 2, has multiple reasons whats making it extremely good
And then you can swing with Sephiroth, kill Aerith anyway, draw a card, and dump the counters onto him
Secret Tunnel is a sweet upgrade to Rogues Passage, and I love the intriguing text about itself not being able to be blocked suggesting shenanigans in lands decks/earthbending decks
As an added bonus, this aura doesnt remove already attached auras on a creature, though it does prevents you from attaching future auras
Stealing creatures is one of the sneakiest ways to deal with threats
Even better than loots are things like Wastelands which can really dominate a game