Science book

All human you contor have +1/+1 and has
"{2}{r}{t}- deals 1 damage to each Players".
{2}{g}{u}- put +1/+1 counter on up to 2 target creatures
you control (activate this ability only up to 2
times each turn)
{g}{r}{2}{t} - put a loyality counter
on a target planswalker
you control