You can use it in the middle of combat to win a fight youd otherwise lose, or you can surprise an opponent with a hasty threat out of nowhere
Otherwise, it gets +4/-X until end of turn, where X is its toughness minus 1
Finally, all prices will be from the cheapest available printing, so long as that version is still of mythic rarity
Very solid threat, much less tempo than Gearhulk but much more reach potential
Becoming a shifting mass of creatures, you can pay 2 at any time to switch to something advantageous
Mastering Sideboarding in Magic Standard Decks In competitive, best-of-three Standard, your 15-card sideboard is one of your most potent weapons