sorin cards mtg the Mirthless (Showcase Fang Frame) [Innistrad: Crimson Vow] If its a Vampire Sorin Markov (SLD-1698) - Secret

Early hosers were often negatively balanced, but more recent color hosers have often given buffs or cost reductions to your creatures if an opponent casts a spell of a certain color or has certain colors of permanents or type of basic lands

The above Jund Sacrifice list is fully legal in Explorer

Ox of Agonas Ox of Agonas is a repeatable draw three for (assuming you keep finding ways for it to die)

Plus, it also taps for mana too

The deck would lose some consistency, but you gain so much more explosiveness and resiliency that it would be an easy inclusion, especially when combined with Lurrus of the Dream-Den

Some cost quite a bit of ink to cast but have a sneaky way of being used cheaper Songs Lorcana features famous Song cards featuring some of the worlds most well-known Disney songs