Deffkilla Wartrike

(Flamerush Rider)
Whenever Deffkilla Wartrike attacks, put a token
onto the battlefield tapped and attacking that's a
copy of another target attacking creature. Exile
the token at end of combat.
Dash {2}{r}{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.)