Ma'ateriel, the First Flood

Champion one or more blue permanents.
If the devotion to blue of permanents championed by Ma'ateriel, the First Flood is greater than or equal to X, where X is the number listed below, Ma'ateriel has the following text:
-2: Flying. Ma'ateriel gets +1/+1 for each card in your hand.
-4: Sacrifice an untapped Island: Draw a card.
-6: All other creatures get -X/-0