Chosen Undead

Vigilance, trample, haste
If this creature was send to the graveyard, exile
or back to commander zone, this creature returns to the battlefield with no mana cost
and a permanent +1/1.
{t}, This card gets +0/5 until end of turn.

You can destroy a creature on the field, but
this card loses -1/1 until the start of your
next turn.