Thrasta, Tempests Roar Huge Dinosaur with trample and haste
While Everyones Invited, the Secret Lair Commander deck, is technically a precon released this year, it's so far beyond the normal quality and bounds of mass-market releases that Im choosing to ignore it for this type of article
It deals 2 damage by default, but if you control three or more artifacts, it jumps to 4 damageat just 1 red mana
Price-wise, this means the card will likely be even more expensive than the recent Serialized cards weve seen, such as Mox Jasper and The Aetherspark.
You get the enchantment + Ghostly Prison for pillow fort decks, a good-sized vigilance creature for defense, and a creature that can attack alone and get rewards for samurai decks
Itll be necessary and painful, awkward as people seek to bend rules and the politics will make for very awkward tournaments