Lord Cedric, Dread Knight

When Lord Cedric, Dread Knight enters the battlefield, target 2 nonartifact creatures on any opponent's graveyard. They return to the battlefield under your control and become black zombies in addition to their other types.
If Lord Cedric, Dread Knight attacks and
becomes blocked by a white creature, he gains
+X/+0 and trample, where X is his power.