Foothold of the Mad

This card may be used as your commander.
Devoid (This card has no color.)
Creatures spells you control cost {2} less to cast.
Whenever you cast a creature spell put a Madness counter on this card.
Creatures your opponents control get -1/-0 for
each Madness counter on this card.
Remove X Madness tokens from this card: Target creature gets -0/-X until the of the turn.