Thanks to Aminatous surveil ability, players have a much better chance of casting cards as a miracle
Enchantment Garruk's Uprising When this enchantment enters, if you control a creature with power 4 or greater, draw a card
The mechanic returned yet again in Ikoria: Lair of Behemoths, this time featured primarily in red and white
A gem mint Charizard auctions for about one third of that price, which is still a lot of money
You can flop 18 power and toughness onto the board for a mere 8 mana if you have three things you are happy to blow up
Whether a part of control, aggro, tempo, or combo decks, Brainstorm was an absolutely defining force in Vintage until its eventual restriction, and to this day, is clearly way, way over the line for Legacy, except that it just gets a pass, because we want it