Avatar Aang (Borderless)

Flying, firebending 2 Whenever you waterbend, earthbend, firebend, or airbend, draw a card. Then if you've done all four this turn, transform Avatar Aang. // Aang, Master of Elements Flying Spells you cast cost WUBRG less to cast. At the beginning of each upkeep, you may transform Aang, Master of Elements. If you do, you gain 4 life, draw four cards, put four +1/+1 counters on him, and he deals 4 damage to each opponent.