Deffkilla Wartrike

When Deffkilla Wartrike enters the battlefield,
all other creatures you control gain haste until
end of turn.
Deffkilla Wartrike must attack if able.
Dash {2}{r} (You may cast this spell for its
dash cost. If you do it gains haste, and it's
returned from the battlefield to its owner's
hand at the beginning of the next end step.)