Synergy-Based Bracket Overrides Deep synergy can push a deck from Bracket 2 to Bracket 3 even without Game Changers
With Borne Upon a Wind , you can now play all of your spells in your hand at your end step if you have enough mana to cast Borne Upon a Wind and other spells in your hand
Hes arguably the best of the five in Limited play, where his ability is a blowout and you can seek to ramp him out a turn or two early, but hes close to worthless in any non-Limited format
Burning Abyss isn't the most splashable engine, but in the decks you can play Burning Abyss in, they are fantastic
Planeswalkers are permanents, cards that remain on the battlefield after you cast them, like enchantments, artifacts, lands, or creatures