Although previous versions have come with similar bonuses (such as 'Panic Spores' that let you lumber an opponent with damage counters between turns after confusing their Pokemon), this is a new ability that should give the mushroom monster a different feel
You could do it on turn 2 and sacrifice a mana land for a key card you discarded with your two cost like a sorcery that discards and then draws, such as Cathartic Reunion
Estrid, the Masked I like what Estrid is trying to do here
His childhood passion for Pokmon has led him to invest heavily in collectible cards, creating a ripple effect in the market
Finally, the Abyssal Hand Ability of Octillery from Blue Shock [XY8] serves as a major draw engine
Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owners control with a +1/+1 counter on it.) Mayhem Devil Mayhem Devil is a three-cost (one generic, one black, and one red) creature