Extus, Oriq Overlord
Double strike
Magecraft — Whenever you cast or copy an instant or sorcery spell, return target nonlegendary creature card from your graveyard to your hand.
Awaken the blood Avatar
As an additional cost to cast this spell, you may sacrifice any number of creatures. This spell costs 2 less to cast for each creature sacrificed this way.
Each opponent sacrifices a creature. Create a 3/6 black and red Avatar creature token with haste and "Whenever this creature attacks, it deals 3 damage to each opponent."

NOTE: Stock image, not actual card.