Cacturne

You may sacrifice a creature named Cacnea
rather than pay this spells mana cost.
Ingest, last strike,
Protection from Wizards and monocolored-blue.
Whenever a creature attacks or blocks Cacturne,
that creature gets -0/-2 until end of turn.
As long as the defending player this turn controls
a Desert, Cacturne has flanking, trample and
"{p/b}, {t}: Cacturne deals damage equal to its
power to target tapped creature."