mtg cards with undying Hellcat, Vigilante - Marvel Super Heroes - Haste Whenever a creature an opponent controls dies Hazoret's Undying Fury - Hour

Good luck with that

Sothera is both more interesting and less problematic than Grave Pact and Dictate of Erebos

If you cant, sacrifice it.) At the beginning of enchanted creatures controllers upkeep, that player sacrifices it, draws cards equal to its power then attaches Mirris Sexy Lifeless Corpse to target creature of their choice controlled by one of their opponents

One of their defining characteristics is their ability to generate obscene amounts of mana, which makes Tyvar the Bellicose an intriguing option as an elf commander since it makes your mana dorks bigger

Clattering Augur

For goblins that is easy to do, by simply adding a color like black or green