Rajin of Thunder and Lightning

Flying, haste, ward {3}
Whenever a spell you own deals damage to an opponent or a permanent they control, draw up
to three cards, then discard that many cards.
This ability triggers only once each turn.
Beat of the Drums - {1}{u}{r}: Until end of turn,
whenever you cast an instant or sorcery spell,
Rajin deals 1 damage to any target.