Rampaging Monument

Vigilance (Attacking doesn't cause this creature to tap.)

As this creature enters, choose a color.

Whenever you cast a spell of the chosen color, put a +1/+1 counter on this creature.

Trample

Whenever another artifact enters, put a +1/+1 counter on this creature.

Modular 1 (This creature enters with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

This creature enters with three +1/+1 counters on it for each spent to cast it.

When this creature enters, choose up to two other target creatures you control. For each spent to cast this creature, put a +1/+1 counter on each of them.

Trample

This creature enters with two +1/+1 counters on it unless two or more colors of mana were spent to cast it.

Adamant — If at least three mana of the same color was spent to cast this spell, this creature enters with a +1/+1 counter on it.

Devoid (This card has no color.)

When you cast this spell and whenever this creature attacks, put a +1/+1 counter on each colorless creature you control.

Trample