Aron

Absorb 2 (If a source would deal damage to this creature, prevent 2 of that damage.)
Last strike (This creature deals combat damage after creatures without last strike.)
Aron can't have -1/-1 counters placed on it.
Whenever Aron is dealt damage for the first time each turn, prevent that damage.
{p/c}{p/c}: Whenever Aron deals combat damage to a creatures with greater toughness this turn, that creature shares the same toughness as Aron after combat until end of turn.