With a great stat line and the Evasive keyword, you'll basically need some form of removal to deal with this hard hitting shark
What does this mean when you are picking sides
Can I take them out in response to a spell to save my creature (for example, I'm wearing white colored contact lenses and my opponent plays Execute)
In Innistrad: Crimson Vow last year, we got a card called Bleed Dry, which is a random, forgotten uncommon that is the same as the front side of Invasion of Innistrad but with the upside of exiling the creature that it kills, and cards like Tragic Slip and Tragic Fall do the same thing for one or two mana if their morbid or hellbent conditions are met
Once that happens, the value of X won't change later in the turn even if the number of cards in your hand changes
It heavily focuses on fusion monsters and flip effects that can be trickier to pull off than your standard aggressive builds, but are introduced nicely here for new players