Slagged Spiderant

Vigilance

Whenever Slagged Spiderant becomes blocked or blocks a black creature, it gets your choice of +1/+0
or +0/+1

Whenever Slagged Spiderant deals damage to any target, it gets +1/+1 until end of turn

{t}: Put X slag counters on Target creature, where X is this creatures power or toughness. you may choose which one