Karsa Orlong, Knight in Chains

Trample
Whenever Karsa Orlong, Knight in Chains
attacks, up to one target creature can't block
this turn.
Whenever Karsa Orlong, Knight in Chains
attacks, you may pay {2}. When you do,
destroy target artifact or enchantment.
"Now, witness. Witness as I break the chains that
bind you."