With minimal mana costs on these sorts of abilities, theres no need to tap yourself out every time you act, or to give new information away to opponents
You might be aware of some of the more infamous pieces, like Brainstorm
In addition, since the monster Special Summoned by this card will be destroyed during the End Phase of the next turn, it is better to use an effect that prevents destruction or use a card such as Overlord Fusion , Cyberlord Fusion , or Dimensional Explosion to develop a follow-up
It's pretty easy to crack a Spawn early and just beat the hell out of people with Annihilator early if you want to play more aggressively rather than focus on hard ramping
Disney/Marvel titles such as Doctor Strange In The Multiverse Of Madness and Thor: Love And Thunder have missed out on a China boost
jodrospellcaster didn't specify the playstyle for this deck