Blood, Lord of Performance

Haste, Deathtouch
When Blood, Lord of Performance enters the battlefield or takes damage,
sacrifice a different creature. Deal damage to any target equal to the sacrificed creature's power.
When Blood, Lord of performance dies, search your library for {x} creatures
that belong to the Rakdos guild where {x} is equal to Blood's power, reveal them, put them in your hand,
then shuffle your library.