Paying three extra mana on your five drop isn't exactly the rip roaring tempo a cube aggro deck can get that exciting about
But you still need to find a way to draw some cards to actually damage your opponent or have a mana sink to use to convert your infinite mana into something useful, like Origin Spellbomb or Sunbeam Spellbomb, which you can use with Auriok Salvagers to bring back and sacrifice infinitely since you have infinite mana
In Standard and Limited, non-games come primarily from natural variance in the mana base, where sometimes you draw a hand with all lands (or no lands), repeat the process for a couple of mulligans, end up with a not-that-functional five cards, and know from the start of the game that you are extremely unlikely to win
How Do Wishes Work in MTG Arena
3 Maleficent - Monstrous Dragon Monstrous Dragon Maleficent from Sleeping Beauty is a Legendary card with an ink cost of nine but is also one of the most powerful cards in Disney Lorcana when used well