Lyara Rot-Elgan, the Seductrix

When Lyara Rot-Elgan, the Seductrix enters the battlefield, create a 2/2 black Wolf creature
token with haste.
Whenever Lyara Rot-Elgan blocks or becomes
blocked by a creature, that creature becomes a
black Vampire in addition to its other colors and
types.
{t}: Tap target Vampire.