Shockwave, Cold Strategist

More Than Meets The Eye {1}{w}{u}{b}{r}

Whenever another legendary artifact creature you
control converts or enters the battlefield, choose the following ability in order from top to bottom.
•Draw a card.
•Put two +1/+1 counters on target artifact.
•Deal X damage to any target where X is the mana
value of the creature that triggered this ability, then convert Shockwave.