Chaos Seed and Chaos Power have two totally different effects and this poll is ONLY for Chaos Power (the upgraded one.)
Yes, Entropy is disorder and randomness, but that should not be an excuse for failure. The only guarantee from this card is that your creature will gain 1 HP, making it useful for Ball Lightnings and in very marginal circumstances where you would want to protect a specific creature from a specific attack spell.
With the development of 2 cards that have 0 attack, but need to attack to be effective (Deathstalker and Dune Scorpion), I think Chaos Power would be a good synergy IF you were guaranteed some attack benefit. Making the attack bonus match the HP bonus (1-5) still gives you a range to randomly pick from, but it would no longer include a chance for failure. As it is now, your only choices for comboing with those scorpions are Blessing, Eclipse (Deathstalker only), Momentum, or a three-element combo (Armor/BB + Rage). Changing Chaos Power's attack bonus from 0-4 to 1-5 would put Entropy in the mix.