Beyond its breathtaking visuals, the cards scarcity is the stuff of legend (pull rates were astronomically low)
(They put the top two cards of their library into their graveyard.) Action: Show GLOWING BLUE GLYPHS being TORN out of a GRIMOIRE, leaving BLANK PAGES behind
With an up and a down arrow, this means both you and your opponent can trigger this effect, meaning you can get some serious value off of this card right away
Crashing Footfalls is a great way to win the game, and the Rhynos deck is sweet and strong: you play a very good tempo game using a ton of free spells such as Fury and Endurance, and then you cascade and gain back the advantage
Alternatively, you could use cards like Elixir of Immortality and Teferi, Hero of Dominaria to ensure you cant deck
Gwen Stacy / Ghost-Spider Im not all that high on Gwen Stacy as a support piece, but it can make an interesting commander given the number of cast-from-exile payoffs we have