Electrifying Titan Slitherfang

Deathtouch, Ward {2}
When Electrifying Titan Slitherfang enter the battlefield, you may mill target
opponent equal to the number of Cauldron cards
you control.
Whenever you attack with Electrifying Titan Slitherfang, exile a Machine creature card in your graveyard and create a copy of it that's tapped and attacking.
Sacrifice it at the beginning of the next end
step.