Steelix

You may sacrifice a creature named Onix rather than pay this spells mana cost.
Trample,
Protection from sources that cost {e}.
Steelix can't have -1/-1 counters placed on it. Steelix can't be blocked by creatures with power 2 or less. Whenever Steelix is dealt damage for the first time each turn, prevent that damage.
Last strike (This creature deals combat dama