K.O., Walking Contradiction

Defender, Lifelink
{w}{w}{b}:Give all of your creatures + 0/+1 until
end of turn, then deal 2 damage to any target.
When ANY Dragon enters the battlefield, Keelix Fights it. You may pay {w}{w}{w} to choose not to.
If Keelix is equipped with a mask, lose defender,
gain +4/+0.