black knight cards mtg or enchanted by anything white.) Battle doesnt need a purpose Black Knight [Mystery Booster] Heavily

Benthic Biomancer is a similar card that allows you to loot instead

Special Guests will appear in MTG Arena , too

as well as non-combat reuse of comes-into-play creatures (Jilt your own Flametongue Kavu, perhaps?) Barrin's Spite was a rare in this block and served generally the same purpose as Jilt, except that Jilt was an instant, and Jilt allowed you to unsummon your own creature if need be

There are tens of thousands of MTG cards out there, and being able to narrow down your options is important

This plus Ethereal Absolution kills all your foes' creatures upon entering, while Night of Souls' Betrayal kills all creatures upon entering