Tome Entry

(Gain the next level as a sorcery to add its ability.)
Legendary creatures you control enter with an additional +1/+1 counter on them.
: Level 2
Legendary spells you cast cost less to cast. This effect reduces only the amount of colored mana you pay.
: Level 3
Whenever you cast a legendary spell, exile the top two cards of your library. You may play them this turn.