EEL

Bestow {7}{u}{g}
Enchanted creature has Indestructible, Vigilance, Haste, Trample, Deathtouch, Lifelink,
Double Strike, +13/+13
{t}: deal 5 damage to target player.
{u}{g}: untap EEL.
Indestructible, Vigilance, Haste, Trample, Deathtouch, Lifelink, Double Strike
EEL is not a creature unless your devotion to green/blue is 15 or higher. (EEL does not count)
EEL gets +1/+1 per green/blue creature