This doesn't seem wholly sufficient to explain the spike, otherwise why didn't it pop off during Bloomburrow, which brought in a popular new bird commander Kastral, the Windcrested
I feel like ten years ago this would have said Creature Tokens, and wed have had an expensive Izzet one for non-creature tokens, so that goes some way to framing how powerful this effect is
It can be played in various rule formats, which fall into two categories: constructed and limited
The match only came to an end when Chris Claythe former head designer, I believe, of Magic Arena actually banned the player after nearly 2 hours, or 107 minutes to be exact, stating that it was pretty clearly against the terms of service to just keep looping Nexus of Fate forever without being able to win the game
It also works great with damage amplifiers, like Ghyrson Starn, Kelermorph decks
Extort is the real winner on this card if you have a way to cast many cards