Extus Oriq Overlord

“Double strike <br> <em>Magecraft</em> — Whenever you cast or copy an instant or sorcery spell, return target nonlegendary creature card from your graveyard to your hand. <br>//<br> <strong>Awaken the Blood Avatar</strong> <br> 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. <br> 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."”