Jack, of all Trades

When another creature enters the battlefield, for
each colour in its mana, activate matching ability:
{w}-Heal for toughness of creature.{u}-Draw a card.{b}-Give, 'when this creature dies, create a
nontoken copy with zombie and decayed.'{r}-Give trample and haste.{g}-Give, '{t}, give one mana of
any colour in creatures identity.'
{w}{u}{b}{r}{g}{t}, 'for each different colour on the battlefield, max 5, add a +1/+1 counter on
creatures of your choice.'