An impactful card from Modern Horizons 3, Necrodominance lets you exchange life for cards, completely changing the calculation about how valuable a card is, and making free spells that require you to pitch another card a lot more playable
Its a must-have for Legacy Burn decks and one of the best red cards in MTG if you want to punish greedy mana bases
This is actually quite powerful with a card like Sneak Attack: You can cheat in something big, say, Cityscape Leveler, then attack
So maybe Jund turns into One planar die is included in each Commander deck in a color that complements the deckfive new planar dice in total
PrintMTGs proxy/playtest cards are designed around that in-sleeve consistency idea: standard MTG sizing, familiar feel, and predictable finishing so your deck doesnt end up with one card that behaves like its trying to get caught