The Sideboard Cards Competing with Release the Gremlins is hard work, but By Force does it
Plot only as a sorcery.) If a spell or ability causes you to draw cards and then has you remove some from hand (such as by discarding them or putting them on top of your library), Stingerback Terror may briefly have 0 toughness or less
Being able to deal with Tarmogoyf for one mana (the previous best answer was Liliana of the Veils second ability or a Ulcerate) was a revolution for the modern format
Every end step he gives one of your other planeswalkers a loyalty counter
It generally sees play in decks with either dedicated or incidental lifegain, as its not hard to keep above its threshold, though this depends on how well youre set up to deal with aggressive decks
Everyone has seen the iconic image of the Midgardsormr struck through by Sephiroth when you travel through the area after, showcasing his immense power after the fight you and your party went through first