The spread between sets is the market, not the supplier
The event cards and the odds of pulling them from the promo pack are as follows: Blastoise (12.66%) Volcarona (15.82%) Eevee (23.84%) Cinccino (23.84%) Snivy (23.84%) The Volcarona and Cinccino promo cards shine with new alternative art, while Blastoise, Eevee, and Snivy feature new attacks and dazzling new looks
Instead, you should turn to this card when you want to just cast one specific, huge payoff cards like Dragonstorm, Ugin, the Spirit Dragon, Soulfire Eruption or Deathbellow War Cry, for example
Are the Unsanctioned Dice-Rolling Cards Legal
As a bonus, Annie Joins Ups initial burst of targeted damage is often enough to take out a troublesome Creature or Planeswalker, whittling down other players forces as you prepare to build up your own