Bo, Arch-Chemist

Haste, First strike
{b}{b}{b}: Tap target creature opponent controls.
(This ability can be activated when this card is in the command zone)
{3}{p/b}{p/b}{p/b}: Tap all creatures. Bo, Arch-Chemist
gains power equal to the total power of creatures opponents control and toughness equal to the
total toughness of creatures you control.