(gain the next level as a sorcery to add its ability.)
when sorcerer class enters the battlefield, draw two cards, then discard two cards.
ur: level 2
creatures you control have "t: add u or r. spend this mana only to cast an instant or sorcery spell or to gain a class level."
3ur: level 3
whenever you cast an instant or sorcery spell, that spell deals damage to each opponent equal to the number of instant or sorcery spells you've cast this turn.