mtg embalm cards Realm: Amonkhet Mechanics each opponent loses 1 life and you gain 1 life Sacred Cat [Amonkhet] Heavily Played

Since it doesnt have much staying power in constructed formats, $25 does seem somewhat high

Koma, World Eater has a slightly less annoying form of protection than its predecessor, but it is no less threatening

If the spell has mandatory additional costs, you must pay those

The value of this is the fact that you can cast it for free by granting an opponent some life, which is potent enough that the card is banned in Pauper

That's perfect for elves, goblins, wizards, knights, warriors, and yes, even Slivers

Manifold Mouse The option to grant double strike or trample to an allied Mouse makes Manifold Mouse fairly valuable for a two-drop, and the two extra mana to make an offspring copy of it means you can grant both double strike and trample to a creature