Mazken, Tyrant of Decay

Trample, haste, hexproof
While Mazken, Tyrant of Decay is in your
command zone or on the battlefield, other
Dinosaur creatures you control have Enrage:
When this creature takes damage, add 1 mana
of any color to your mana pool.
{b}{b}{g}{g}{r}{r}{w}{w}: All dinosaur creatures you
control gain lifelink, trample, doublestrike, and vigilance until the end of turn.