Castaway Mutant

Haste, Infect, Reach, Undergrowth, Hexproof.
Protection from Multicolored.
{1}When this creature enters the battlefield,
create three 3/3 Zombie Creatures with Infect.
When you deal damage to a your opponent,
every one of your opponents discards their hand.
{1} All of your Creatures get Infect,
and a two 1/1 counters on them.