Flying (This creature can't be blocked except by creatures with flying or reach.), firebending 2 (Whenever this creature attacks, add . This mana lasts until end of combat.) Whenever you waterbend, earthbend, firebend, or airbend, draw a card. Then if you've done all four this turn, transform Avatar Aang.

Flying (This creature can't be blocked except by creatures with flying or reach.) Spells you cast cost 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.