It's oddly limiting that you must tap to get your ramp, but thankfully vigilance helps mitigate this
It can enter the battlefield as an absolutely massive flier that also hates on graveyard decks, but as it is neither a human nor a card that interacts with the monarch in any way, I think this is another card that you end up cutting to make the deck more synergistic

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Horribly Awry counters Felidar Guardian and most G/B creatures with the exception of Verdurous Gearhulk, and the exile clause is occasionally relevant
Splashing a little green into this archetype works wonders: Green contributes +1/+1 counters and temporary buffs, allowing your flying creatures to hit even harder while also adding ramp options to get your bigger threats out early
4 foil promo cards that make up a single Pikachu V-UNION