Thresh, The Warden

Shadow Isle (At the end of the turn, if this card is
in the graveyard, if you don't control a creature
with the same name, you can send the top 5 cards
from your deck to the graveyard; place this
creature onto the battlefield tapped.)
When Thresh, The Warden attacks, you can pay {2}{b}; place a creature from the graveyard onto
the battlefield tapped and attacking. Sacrifice it at
the end of the turn.