Mia, the curious

Players have no maximum hand size
At the beginning of each players endstep, that player will draw cards equal to the difference in their hand to the largest hand among players.
Players spells cost {2} more for each spell after the first
{1}{g/u}{g/u}{u}{g}{t}: each player reveals their hand then for each land revealed this way make a treasure token, for each creature revealed this way make a 0/1 bug token with flying, for each nonland and noncreature revealed this way add a +1/+1 counter on target crea