If you really want to play it, Juzm Djinn is a rather unremarkable 4-cost 5/5 beater, though it is worth mentioning that it was the first 4-cost 5/5
If two or more effects attempt to modify how many counters would be put on a permanent you control, you choose the order to apply those effects, no matter who controls the sources of those effects
If thats worth three mana, then go for it
In MTG, the archetype refers to the type of deck youre playing
In 2021, that was Red-Black madness in Modern Horizons 2
The Rare and Mythic Rare cards in this deck also bring extreme heat to the scene, with Elspeth, Sun's Champion creating tons of soldier tokens for you while Wildfire Awakener (a new card released just for Commander with this deck) creates tokens that ping for damage each time they're tapped