Bloodrite Virtuoso

Defender
At the beginning of your upkeep, you may sacrifice a creature. If you do, tap Bloodrite Virtuoso and target opponent discards a card.
{2}{b},{ut}: Return target creature card from your graveyard to the battlefield. It gains haste and lifelink. Exile it at the beginning of the next end step or if it would leave the battlefield. Activate this ability only any time you could cast a sorcery.