Juggernaut

Juggernaut is Indestructible and comes into play
tapped with ten tokens.
Juggernaut cost {1} less to play for any artifact in
game.
{t} - Remove five tokens. Put two Engineer Malak
5/5 tokens into play with Haste and First strike.
{t} - Remove five tokens. Juggernaut deals five
damage to target creature or player.
When there are no more counters on the Jaggernaut, shuffle it into its owner's library.