Ahtal-Ka

Sacrafice 5 artifacts: Transform Ahtal-Ka.
{t}: Tap 3 target creatures.
{7}{g}: Gain control of target artifact, it looses all abilities and can't attack.
{1}{g}: Equip artifact to Ahtal-Ka, it looses all abilities except it gives Ahtal-Ka +X/+X where X
is its converted mana cost, if Ahtal-Ka takes X
damage, instead destroy that artifact, Ahtal-Ka
can only have one artifact equipped this way.
{1}{g}: Unequip artifact.