Marshtomp

You may sacrifice a creature named Mudkip rather than pay this spells mana cost.
Protection from sources that cost {e}, last strike.
Whenever you cast a blue spell, Marshtomp gets +1/+1 until end of turn.
Boast — {u}{u}: Marshtomp deals 1 damage to each defending creature without flying. (Activate this ability only if this creature attacked this turn and only once each turn.)