Upgrade

Modular 2

{g}{g}{g}, {t}: Put X +1/+1 counters on another
target artifact with mana value X or less,
where X is double Upgrade's power. Untap it.
Its becomes an artifact creature with base
power and toughness 0/0 and it gains haste
until end of turn. If its an artifact you don't
control, gain control of it until end of turn.