Mana scale Dragon

When you play this choose one:
Pay {r} — This is now red in addition to all other colors and gains +1/+0 and Haste.
Pay {u} — This is now blue in addition to all other colors and gains hexproof. Draw a card
Pay {g} — This is now green in addition to all other colors and gains +2/+2
Pay {b} {line} This is now black in addition to all other colors and has +1 /+0 and deathtouch
Pay {w} {line} This is now white in addition to all other colors and has vigilance and Lifelink.