The most common example is poison counters10 of them means you lose, so taking some off can save you from an infect or toxic strategy
However, there have been times where this has been avoided, too, like Bloomburrow's Finneas, Ace Archer becoming Finneas der Meisterschtze, or Finneas the Master Archer
Time Sieve is a good one here because it lets you play two extra turns
One Reddit user who crunched the numbers estimated the likelihood of getting any retro Power Nine card within a pack is approximately a 1 in 47 chance
The deck has 60 cards, including one foil card each of Iago and Jafar, plus 11 game tokens and a rulebook
This will let you choose all of the modes on a card or ability not just one or two