Chromatic Dragon

Cromatic dragon's gets +1/+1 for each color of unspent mana you have.
Cromatic dragon's gains flying while you have
unspent blue mana, Trample while you have
unspent green mana , First strike while you have unspent red mana, Lifelink while you have
unspent white mana, and Deathtouch while you
have unspent black mana.
During your turn up to one mana of each color
does not empty as steps and phases end.