Awkwardly, this often resulted in them making slightly less broken versions that were still problematic
You can use it to force someone to spend their last two mana, clearing the way for you to cast something else
(Note: You can add not just Spells, but also monsters or Traps)
After all, you have Manacles and the like to weaken your opponent's monsters, and on top of that, with the other effects stacked on, Iron Chain Dragon alone could top 3000 with ease, and topping 3000 in today's meta is very, very good, since most monsters now (barring Blue-eyes cards) are based around their effects- many of which won't get to proc their effects if you A.) Stop them from being made, or B.) Stop them from being able to pay their potential costs
Zephyr Singer Gives you wings While were talking about convoke, lets discuss Zephyr Singer
Also, as you can see, that Charizard from the top of the article has nearly doubled in value already , and cards like the popular 'Eeeveelution' variants are similarly bonkers