Loomis, Draconic Loremaster

When Loomis, Draconic Loremaster enters the
battlefield, if you paid {u} to cast it, draw a card.
If you paid {r} to cast it, it deals 2 damage to
any target.
Loomis, Draconic Loremaster gets +2/+2 and has
trample as long as you control a dragon.
He has spent centuries seeking out draconic secrets lost
to the ages, using them in service to the dragon gods.