As Boomstacker enters the battlefield and whenever it attacks, stack two dice on top of it. (All dice must be stacked vertically, one on top of another.)
Boomstacker gets +1/+1 for each die in its stack.
Boomstacker attacks each combat if able.
When the stack falls, sacrifice Boomstacker.
NM-Mint - $0.20
NM-Mint Non English - $0.20
Lightly Played - $0.20
Lightly Played Non English - $0.20
Moderately Played - $0.20
Moderately Played Non English - $0.20
Heavily Played - $0.20
Heavily Played Non English - $0.20
Damaged - $0.10
Damaged Non English - $0.10