Because Seven Dwarfs cards have so many synergies, it's important to think several turns ahead about the order you play them and what effects they will have on each other
Your opponent can choose to block with their creatures as normal if they choose to, but the attacking creatures that it's blocking is only revealed after blockers are fully accounted for
Hating on lifegain decks, this is a pretty sweet way to get some extra damage in to your opponents and close out games much quicker than you otherwise could
Its tapped ability is a version of the 'Fight' mechanic later on, where you can force combat between two creatures
Like most Pokmon cards, the value of Mismagius GL LV.X depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Rising Rivals)
(Scryfall note) Glaring Fleshraker's first ability goes on the stack above the spell that caused it to trigger and resolves first