Boomstacker
{2}{R}
Creature -- Goblin Artificer
0/0
As ~this~ enters and whenever it attacks, stack two dice on top of it. (All dice must be stacked vertically, one on top of another.)
~this~ gets +1/+1 for each die in its stack.
~this~ attacks each combat if able.
When the stack falls, sacrifice ~this~.