Avatar Aang (Borderless) [Avatar: The Last Airbender]

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.

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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.