Matt, Maker of Machines

Matt, Maker of Machines enters the battlefield
with X additional +1/+1 counters on it.
{w/b}{2}{t}, Discard a card: Put a +1/+1 counter
on Matt, Maker of Machines.
{w/u}{2}{ut}, Remove a +1/+1 counter from
Matt, Maker of Machines: Draw two cards. Until
end of turn, Matt Maker of Machines cannot be blocked.
{u/b}{2}: Exile target permanent until the beginning
of the next end step
Modular 3