Their benefits go beyond mana fixing too: They thin your deck, fuel graveyard strategies like delve or delirium, and can trigger revolt for cards like Fatal Push
The submission method depends on the value/rarity of the card, with those deemed very rare taken to an in-person office
How To Play The Deck An Eshki, Temur's Roar Commander deck wants you to constantly be casting creatures with high power, triggering Eshki's abilities while having a ton of threats on your battlefield
[C][C] Jet Draft: 120 damage
Then, Im going to take this a step further and point out which foils you should also be looking for
The most common are the ones from the standard showdown packs: Captain's Claws/Goldnight Castigator, Fling/Toolcraft Exemplar, and Tormenting Voice/Drake Haven