Tributing a monster for "Mass Driver" is a cost.
You can use "Mass Driver"'s effect repeatedly in the same turn as long as you can keep paying the cost.
The activation of "Mass Driver"'s effect can be chained to.
Tributing a monster for "Mass Driver" is a cost.
You can use "Mass Driver"'s effect repeatedly in the same turn as long as you can keep paying the cost.
The activation of "Mass Driver"'s effect can be chained to.